Creationism In Crisis - An Extinct Egyptian Crocodile Fossil In the Same Rock The Sphynx Was Carved From - 45 Million Years Before 'Creation Week'

[caption]

[credit]

The holotype skull (SMNS 10575) of H. cairensis n. gen. n. comb. (a) Photograph of SMNS 10575 in dorsal view, (b) interpretative drawing of SMNS 10575 in dorsal view, (c) photograph of SMNS 10575 in ventral view and (d) interpretative drawing of SMNS 10575 in ventral view. Abbreviations: f, frontal; ic, internal choana; j, jugal; m, maxilla; ma, maxillary alveoli; n, nasals; o, orbit; oc, occipital condyle; p, parietal; pa, palatines; pf, prefrontal; po, postorbital; pt, pterygoid; q, quadrate; sof, suborbital fenestra; sq, squamosal; sqp, squamosal prong; stf, supratemporal fenestra. Scale bar, 10 mm.

From: Paul M. J. Burke, et al (2026)

New crocodile species discovered in rocks used to build the Great Sphinx | UCL News

The Great Sphinx of Giza is an ancient monument carved into something vastly more ancient: rocks recording a world that existed long before humans, let alone Egyptian civilisation. A newly recognised crocodilian from the same geological formation lived about 45 million years ago. For anyone attempting to reconcile Earth's history with a literal reading of Genesis and its young-Earth chronology, the difficulty begins with the material from which the monument itself was carved.

As UCL News reports, researchers have identified Herugavialis cairensis, an extinct gavial, or long-snouted crocodilian, from Egypt's Mokattam Formation. Its nearly complete skull was discovered in the 1920s and had long been assigned to Tomistoma, the genus containing today's false gharial. CT scanning revealed distinguishing anatomical features, including a raised ridge around the eyes, supporting its recognition as a separate genus. The findings are published in Royal Society Open Science.

This is a useful example of how science corrects itself. A fossil does not cease to be informative because it has spent a century in a museum, and an identification does not become unchallengeable merely because generations of researchers have accepted it. Better tools and renewed scrutiny can expose distinctions that earlier investigators missed. Revising the classification strengthens our understanding of evolutionary history; it does not undermine the evidence that such a history occurred.

The animal also belonged to a very different Egypt. Shallow seas covered areas that are now land, and several gavial species inhabited its coastal waters. UCL describes a wider Mediterranean history in which crocodilian diversity fluctuated alongside changes in temperature and sea level, before the region lost its crocodilians around the Mediterranean drying crisis roughly six million years ago. Even that much later episode predates the conventional young-Earth creationist date for the entire Universe by orders of magnitude.

Creationism In Crisis - How Breast Feeding Evolved - 165 Million Years Before 'Creation Week'

Fossil skeleton of Megacauda sungei

University of Chicago

Fossil skeleton of Megacauda sungei

University of Chicago

Professor Peishu Li coauthors Nature study uncovering ancient origins of mammalian suckling and swallowing

Some 165 million years before creationists imagine Earth existed, an aquatic relative of modern mammals was already carrying anatomical equipment associated with one of our most characteristic abilities: suckling milk. A newly described fossil from Inner Mongolia, China, adds another inconvenient chapter to the evolutionary history that young-Earth creationism insists never happened. Its significance extends beyond its age, however. It also preserves a revealing combination of ancestral and more modern features — precisely the sort of transitional anatomy that creationists routinely claim is missing from the fossil record.

The animal, Megacauda sungei, is described in a new paper in Nature. It belonged to the docodonts, an extinct branch of mammaliaforms, the broader group encompassing mammals and their closest extinct relatives. Living approximately 168–163 million years ago, it had a broad, flattened tail, swimming adaptations and specialised teeth suited to an animal diet. It was a functioning, specialised inhabitant of Jurassic freshwater environments, with an evolutionary history written into its anatomy.

Particularly informative are small bony projections near the back of the palate and specialised throat bones. In living mammals, comparable structures support the muscles and soft tissues involved in swallowing and suckling. Their presence in Megacauda suggests that important components of this feeding apparatus had already evolved by the Middle Jurassic. This does not mean that the fossil identifies the first animal to produce milk, or preserves a youngster caught feeding. The inference concerns the anatomical machinery that made mammal-like suckling and swallowing possible.

Refuting Creationism - The Earliest Aquatic Mammal Complete With Transitional Features - 120 Million Years Before 'Creation Week'

Holotype specimen of Dongoconodon platycauda

Reconstruction of the semi-aquatic life of Dongoconodon platycauda

Drawn by Chen Yu.

A joint study by Professor Bi Shundong of the School of Life Sciences at Yunnan University has discovered the earliest known swimming mammal to date.

Some 120 million years before anyone imagined a six-day creation, a small mammal in what is now northeastern China was combining features that refuse to fit the tidy categories creationists would like nature to obey. Dongoconodon platycauda had adaptations for swimming, an unusual pattern of tooth replacement, and an ear apparatus that retained a connection to its lower jaw. Here was a functioning animal with a mosaic of characteristics, illustrating how evolution modifies inherited structures without waiting for an entire collection of supposedly “mammalian” features to arrive together.

The nearly complete skeleton, from the Early Cretaceous Jiufotang Formation of Liaoning Province, is described by Shundong Bi and colleagues in Nature Communications. The research is also explained in institutional reports from Nanjing University and Yunnan University, both in Chinese.

Its broad hands and feet probably supported webbing, while its flattened, tapering tail appears to have helped with steering and stability. Comparisons with the skeletons of 124 living mammal species supported a semiaquatic lifestyle. This adds to the evidence that mammals living alongside dinosaurs occupied a much wider range of ecological niches than the familiar image of small, uniformly shrew-like creatures might suggest.

Creationism Refuted - A Previously Unknown Extinct Yak - Evolved 400,000 Years Before 'Creation Week'

AI depiction of yak on the Tibetan Plateau

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Map showing the locations and sample sizes of sites from which yak X genomes were generated. Extant wild yak distribution is in light orange.¹⁶ Elevation is shown. Map not to scale.

From Oppenheimer, Jonas; et al (2026)

Previously unknown extinct bovine species discovered in Siberia - Stockholms universitet

For young-Earth creationists, the problem with ancient DNA is that it keeps revealing histories which their preferred chronology cannot accommodate. The latest example is an extinct relative of the yak whose evolutionary separation from living yaks began at least 400,000 years ago — long before the supposed “Creation Week” of a literal reading of Genesis. Its existence has emerged from fragments of Siberian bone too incomplete to identify by their shape, but which retained something much more informative: genetic evidence of a lost branch of the bovine family tree.

In a study published in Current Biology, Jonas Oppenheimer, Alexandre Gilardet and colleagues report 20 ancient nuclear genomes from Denisova Cave and other sites in southern Siberia, spanning more than 200,000 years. The lineage, provisionally known as “yak X”, had previously been recognised from mitochondrial DNA. The new analysis provides much broader genetic evidence that it represented a distinct species that effectively separated from the lineage leading to living yaks by about 250,000 years ago.

This was no static population inhabiting an unchanging world. The genomes reveal a demographic decline and suggest population turnover, accompanied by reduced genetic diversity, around the last interglacial, approximately 130,000–115,000 years ago. Warming may have disrupted the distribution of these cold-adapted animals; an earlier warm interval may also have helped isolate populations during their initial divergence. Those climatic explanations remain hypotheses, but the genetic evidence provides a record against which they can be tested. The youngest specimen analysed is about 27,000 years old; precisely when, and why, the lineage subsequently disappeared remains unknown.

There is an equally instructive lesson in the researchers’ caution. Although they interpret the genomic evidence as identifying a separate species, they have not simply attached a new formal species name to these fragmentary remains. Comparisons with previously described yak-like fossils are needed to establish whether the genetic lineage corresponds to an animal already recognised from its anatomy. Discovering a previously unrecognised genetic history and resolving its taxonomic identity are related but distinct tasks. Scientific confidence in one does not require pretending that the other has already been settled.

For creationism, meanwhile, calling the animal “just another member of the cattle kind” does nothing to resolve the chronological problem. The evidence concerns a branching history of populations, divergence and eventual extinction extending across hundreds of thousands of years. Evolutionary biology supplies the framework for reconstructing that history and asking further questions about it. Compressing everything into a few thousand years would require an alternative explanation for the genetic relationships, the ages of the remains and the succession of populations — not merely a biblical label applied after the evidence has been collected.

Malevolent Design - How Ancient Viral DNA Gave Humans An Advantage But Can Be Co-Opted By Lung Cancer - Malevolent Design, Incompetence or Evolution?

AI depiction of the ancient retroviral DNA that is essential for embryo development but can help lung cancer cells survive too

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Post-gastrulation amnioids - models with mimic the development of the amniotic sac forming as expected (top panel). Amnioids without a key calcium-buffering gene and its accompanying switch don't form as expected (bottom two panels).

Credit: Borzo Gharibi, Science Advances (2026).

An ancient advantage, hijacked by cancer | Crick

Some 13 million years before anyone could have written a creation myth, a retrovirus inserted its genetic material into the genome of an ancestral ape. Today, part of that viral legacy helps regulate early human development. This presents creationists with several difficulties at once: a history vastly older than their biblical chronology permits, genetic material acquired from a virus, and an evolutionary innovation produced by putting an existing sequence to a new use. There is also an uncomfortable sting in the tail for advocates of a benevolent intelligent designer: cancer cells can exploit the same biological machinery.

The research, reported in Science Advances, concerns a remnant of an ancient retrovirus known as HERVH. This sequence acts as a switch controlling a form of calbindin, a protein involved in buffering calcium inside cells. Removing the switch or calbindin disrupted the growth and developmental behaviour of human embryonic stem cells and the organisation of models of early embryonic structures.

The evolutionary distinction matters. The original acquisition of viral DNA represents horizontal genetic transfer: genetic material crossed from a virus into its host, rather than arriving through ordinary inheritance from a parent. Once incorporated into the germ line, however, that material could pass vertically through successive generations. Its recruitment to regulate a host gene is an example of exaptation — the co-option of an existing feature for a different function. The virus did not need to invent calbindin, nor did evolution need to create an entirely new protein from scratch. A new regulatory relationship could arise by combining material with different evolutionary histories.

This is precisely the sort of process obscured by the creationist slogan that new genetic “information” requires an intelligent author. Biologically useful novelty can involve changes in when, where and how an existing gene is expressed. Imported DNA can supply a regulatory element; subsequent evolution can preserve and modify its contribution. Calling the result “information” does not erase the natural processes that produced it, still less establish that someone intended the outcome.

The chronology is equally inconvenient. Comparative primate evidence places this insertion roughly 13 million years ago, after the lineage leading to humans and the African great apes had separated from the orangutan lineage. Orangutans are themselves great apes; the relevant event occurred within the broader great-ape family tree. Either way, this is inherited molecular history extending far beyond the few thousand years allowed by a literal young-Earth reading of Genesis.

Yet a mechanism useful during development need not remain beneficial in every context. Earlier research showed that lung squamous cell carcinoma can activate this viral switch, helping cancer cells avoid senescence — a state in which cells stop dividing. The cancer biology is complex, but the central evolutionary point is clear: machinery that supports normal development can also become available for malignant cells to exploit.

That is consistent with an evolutionary cost-benefit trade-off. Natural selection can preserve a developmental advantage despite a vulnerability elsewhere in life; it has no foresight with which to guarantee lifelong protection from every possible consequence. But if intelligent-design advocates insist that useful genetic arrangements demonstrate deliberate engineering, they must apply that reasoning consistently. A designer credited with the developmental benefit cannot simply be excused responsibility for the exploitable weakness. On their own premises, the result raises questions about competence, benevolence, or even malevolent design. Evolution requires no such theological contortions: an ancient infection, inherited variation and the opportunistic reuse of existing material are sufficient ingredients for the story.

Creationism Refuted - Polynesian Genetics Refute Biblical Mythology And Confirm Evolutionary Theory

AI depiction of Polynesian migration in outrigger canoes

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Hawai'ian outrigger (Holopuni) canoe

Polynesian Wayfinding Is Written in the Genomes of Island Populations

Human history is written in more than ancient texts. It is also preserved in the genetic material passed from generation to generation, where migrations and changes in population size leave patterns that scientists can investigate. For creationists who would compress humanity’s ancestry into the descendants of a single family emerging from a mythical global flood, this presents a demanding test: their story must explain the actual distribution of genetic variation, rather than merely assert that people dispersed.

A new study published in Science on 8 October 2026 examines whole-genome sequences from 1,050 Polynesian people. It reveals successive founder effects associated with the settlement of Pacific islands: small founding groups carried only part of their source population’s genetic diversity, and subsequent departures repeated that sampling process.

The result is a nested pattern of inheritance. Particularly striking is the close genetic relationship between the populations of Hawaiʻi and Rapa Nui, despite their separation by roughly 7,000 kilometres. The researchers interpret this as evidence that both populations have deeper ancestral roots in Mangareva. Their reconstruction also involves repeated movement between islands, rather than a simple procession of isolated, one-way journeys.

These demographic events have medical consequences too. Variants that were rare in an ancestral population can become relatively common among descendants of a small founding group. The study identifies several disease-associated variants at elevated frequencies, showing how the legacy of settlement can remain relevant to health today.

This is also an accessible example of why evolution cannot be reduced to natural selection alone. Genetic drift — chance changes in the frequencies of genetic variants — can shape populations without making them better adapted. A variant does not have to be beneficial to become more common; sometimes its frequency reflects who happened to found a community and which descendants subsequently reproduced. The voyages were purposeful human achievements, but their genetic consequences required neither foresight nor a designer.

The challenge for biblical literalism is therefore more substantial than finding room for Polynesian voyagers somewhere after Noah. A scientific explanation must account for which populations share particular variants, how those variants are distributed, and which demographic history best explains the pattern. These findings do not, by themselves, constitute a test of every claim about a global flood. They do demonstrate what an evidence-based account of human dispersal looks like: a reconstruction open to scrutiny and revision, with consequences that can be checked against independent evidence. Simply invoking Genesis supplies none of that explanatory detail.

Refuting Creationism - More Problems for Creationists As Science Reveals Yet More Evidence Falsifying The Bible Creation Myth

Ediacaran sea floor, Namibia, 543 Millian Years Ago

Oxford University Museum of Natural History

Ediacaran sea floor, Namibia, Southwest Africa, 543 million years ago.

Credit: Museum of Natural History, University of Oxford / Mighty Fossils.

New study suggests animals may have evolved vastly earlier than fossil evidence suggests | Oxford University

One of the strengths of science is that its conclusions remain open to revision. An assumption that once appeared reasonable can be tested against new evidence, found wanting, and replaced with something better. For creationists, who frequently portray such revisions as evidence that science cannot be trusted, this must seem a peculiar way of acquiring knowledge. Yet it is precisely how science improves its understanding: by allowing the evidence to correct the explanation, rather than requiring the evidence to conform to a predetermined answer.

A new study published in Science Advances provides another example. Researchers have challenged an assumption used in some recent estimates of when animals originated. Their analyses support an origin approximately 700–800 million years ago, potentially extending animal evolutionary history by around 200 million years beyond estimates based on a younger maximum-age constraint.

The issue is a deceptively simple one: if a fossil deposit preserves microscopic organisms in exquisite detail, but contains no definite animals, does that mean animals had not yet evolved? Some researchers have used the approximately 590-million-year-old Weng’an Biota of China in this way, reasoning that animals would have been preserved there had they existed. Its lack of unequivocal animal fossils has therefore helped set a proposed upper age limit for animal origins.

The new research exposes a difficulty with that reasoning. The younger Kheseen Biota of Mongolia also preserves exceptionally detailed microfossils, yet none can confidently be identified as animals. In this case, however, animals are known from other deposits of comparable age. Their absence from Kheseen therefore cannot demonstrate their absence from the world. Particular environments and conditions of fossilisation can leave animals out of the record, even when other organisms are beautifully preserved.

This matters because molecular clocks — methods that use genetic differences between living organisms to estimate when their ancestors diverged — require calibration against geological and fossil evidence. Change an unjustified age constraint, and the resulting estimates can change substantially. Using alternative constraints from older deposits, the researchers recovered a much earlier possible origin for animals. They have not discovered an 800-million-year-old animal, nor established a final date for the animal kingdom’s beginnings. They have shown why one argument for restricting those beginnings to a much later interval is unreliable.

For young-Earth creationism, neither chronology offers any comfort. The debate concerns events hundreds of millions of years ago, not whether animal history can be squeezed into the few thousand years allowed by a literal reading of Genesis. Uncertainty over precisely when animals originated does not make every proposed date equally credible, any more than uncertainty over a mountain’s exact height makes it plausibly a molehill.

Creationism Refuted - A Four-Winged, Flying Dinosaur - From More Than 100 Million Years Before 'Creation Week'

An artist’s rendering of the Norellraptor after an “exquisitely preserved” fossil with a complete skeleton and parts of its plumage was unearthed in Liaoning province.

Image: Zhao Chuang/South China Morning Post

Norellraptor barsboldi 130108-MHGU-F4281, appendicular elements.

a Right hand. b Pubis. c Feet. am, acetabular margin; ap, apron; cs, claw soft tissue; gi, gastral impression; mcI-III, metacarpals I to III; mtI-V, metatarsals I to V; p, phalanx; pf, pubic foot; r, radius; sc, semilunate carpal; t, tibiotarsus; u, ulna; uI-III, unguals 1 to 3. Scale bar = 10 mm.

Revolutionary Feathered Dinosaur Discovery in China Suggests Flight Evolved Multiple Times : ScienceAlert

For creationists who insist that complex adaptations could only have appeared as complete, purpose-built packages, another feathered dinosaur has provided an awkward piece of evidence. Evolution does not require a finished flight apparatus to materialise in a single miraculous leap. It can modify inherited structures, combine them in new ways, and produce similar adaptations along different branches of the family tree. A newly described dinosaur from China adds evidence that even among the close relatives of birds, there was more than one evolutionary route towards an aerial lifestyle.

In a paper published in Nature Communications, Xuri Wang and colleagues describe Norellraptor barsboldi, a small microraptorine dinosaur from the Lower Cretaceous Jiufotang Formation of Liaoning, north-eastern China. Its remarkably complete, 57-centimetre skeleton preserves traces of plumage, including on its forelimbs and hindlimbs. It belonged to the group of feathered dinosaurs famous for their four-winged forms: evolutionary relatives of birds, rather than evidence that modern birds appeared fully formed and unrelated to other dinosaurs.

The crucial finding concerns the sequence in which adaptations arose. The researchers’ evolutionary analysis indicates that approximately 30 per cent of the derived anatomical features identified in microraptorine evolution also evolved independently in the bird lineage. However, they appeared in different orders. This supports the gradual assembly of flight-associated anatomy under different selective pressures, rather than the inheritance of an already completed flight apparatus from a common ancestor.

Refuting Creationist - The Case For Science Keeps Getting Stronger - Science Works While Creationism Fails

DNH 8 mandible a) Occlusal View, c) Inferior view.

Martin, J. M., et al (2026).

a. DNH 8 occlusal view; b. DNH 8 left lateral view; c. DNH 8 inferior view; d. DNH 8 right lateral view.

Martin, J. M., et al (2026).

Fossils confirm human ancestors first appearance, News, La Trobe University

Two million years ago, southern Africa was home to different human relatives sharing the same landscape and following different evolutionary trajectories. That is the picture strengthened by newly described fossils from Drimolen Main Quarry in South Africa’s Cradle of Humankind. For creationists, the difficulties begin with the date: these hominins lived almost two million years before the supposed magical creation of the Universe out of nothing in a literal reading of Genesis. But the evidence also challenges the familiar caricature of human evolution as a single procession of increasingly human creatures, marching towards a predetermined destination.

In a paper published in Annals of Human Biology, Jesse M. Martin and colleagues describe 18 previously undescribed cranial and mandibular specimens from Drimolen. Among them is DNH 127, an adult skull fragment attributed to Homo erectus. This provides valuable support for the earlier identification of DNH 134, a young child’s partial skull from the same site. Identifying a species from an immature individual can be difficult because some diagnostic features develop during growth; an adult specimen provides an additional test of that interpretation.

The significance is therefore corroboration: DNH 127 strengthens the case that Homo erectus was present in South Africa approximately 2.04–1.95 million years ago. It does not, by itself, establish that the species originated there. The earliest fossil yet recognised is evidence of a species’ presence at a particular place and time, rather than a birth certificate identifying its evolutionary birthplace.

Creationism Refuted - How an 'Irreducibly Complex' Process Evolved Naturally

AI-generated illustration of competing bacteriophage viruses and the CRISPR-Cas RNA immune system

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Kenneth Loi shows how VIPR RNA (in pink) snakes around the double helix of DNA (yellow and green) to form a unique triplex structure.

Photo: Glenn Ramit.

VIPR Systems Break the Rules of the Genetic Code to Target and Twist Around DNA

One of the recurring mistakes in creationist arguments is to assume that a complex biological system must always have performed its present function. If its components now work together, the argument goes, they must have been created together for that purpose. Evolution, however, can recruit existing machinery for new roles. Two papers in *Science* now provide evidence that this process may help explain the origin of an important form of microbial immunity—with the intriguing possibility that bacteria acquired the precursors of their antiviral weapons from viruses themselves.

To appreciate the discovery, it helps to understand what CRISPR immunity actually is. Although CRISPR is familiar as a tool for editing genes, its natural role is defence. Many bacteria and archaea possess CRISPR–Cas systems that retain molecular records of past invaders. Short pieces of foreign DNA are incorporated into the cell’s genome, between repeated sequences. These stored fragments provide templates for small RNA molecules, which guide CRISPR-associated—or Cas—proteins to matching genetic material during subsequent infections. Depending on the system, the resulting response can destroy invading DNA or RNA. This is adaptive immunity: protection directed against particular threats, with a genetic memory that can pass to descendants.

CRISPR stands for “clustered regularly interspaced short palindromic repeats”, a description of the DNA arrangement in which those memories are stored. The best-known gene-editing protein, Cas9, belongs to class 2, whose targeting machinery centres on one large protein. Class-1 systems instead use assemblies of several proteins to recognise their targets. It is the evolutionary origin of this latter machinery that the new research addresses.

The studies, published on 17 September 2026 investigate a compact system called VIPR, short for viral interference programmable repeat. Found in viruses and bacteria, it combines a small protein with a guide RNA. The researchers propose that an ancestral VIPR-like system involved in competition between viruses was recruited into bacterial defence, eventually contributing to the evolution of class-1 CRISPR. This would be evolutionary co-option: machinery favoured in one context becoming useful in another.

Malevolent Design - A Newly-Identified Tick-Borne Virus That Teams Up With Another Virus And Kills People - Malevolent Intelligence Or Evolution?

Engorged female Tick, Haemaphysalis longicornis. (ventral view)

Timothy Takemoto / Flickr cc

Engorged Tick"

Timothy Takemoto / Flickr cc

Scientists in China discover new tick-borne virus that causes flu-like illness | CIDRAP

One of the problems with claiming that biological complexity proves intelligent design is that the argument cannot stop conveniently at butterflies, flowers and the human eye. If complex biological machinery requires a designer, then the same reasoning must apply to parasites and pathogens. A virus’s ability to infect us cannot become an unfortunate accident merely because crediting the supposed designer would now be embarrassing. Nor can the animal that carries it from host to host be excluded from the reckoning.

A newly identified tick-borne virus in China provides another uncomfortable example. Described in a correspondence in The New England Journal of Medicine, Asian longhorned tick nairovirus, or ALTNV, is associated with fever, fatigue, gastrointestinal symptoms and, in some patients, reduced platelet counts. Its vector is the already familiar Asian longhorned tick, Haemaphysalis longicornis; experiments demonstrated transmission to mice. “New” here means newly recognised by science, not shown to have come into existence recently.

The clinical findings deserve care. All 56 patients reported with ALTNV alone recovered without lasting effects. However, seven of 38 patients infected with both ALTNV and Dabie bandavirus died. These deaths do not establish that ALTNV alone is lethal, or determine its contribution to the fatalities. They do place the discovery within a system of tick-borne infections capable of causing serious illness and death.

Now apply the creationist rule that functional complexity and genetic information require an intelligent author. On that premise, the designer must take responsibility for the infectious agent and its means of delivery. Here is a blood-feeding animal whose activities provide a route for viruses to enter other animals, including humans. If every relevant adaptation was knowingly intended by an all-knowing creator, then the resulting suffering cannot be dismissed as an unforeseen side-effect. The alleged designer knew what its creations would do.

That is the force of the malevolent-designer argument. It does not require us to believe that a supernatural intelligence actually makes viruses. It asks why features that serve pathogens should count as evidence of loving craftsmanship when equivalent features serving their victims are routinely presented as precisely that. If the designer receives credit for our defences, it must also answer for the threats those defences sometimes fail to overcome. Deliberately creating the means of making people ill is hardly an obvious expression of benevolence.

Creationism Refuted - A Stem Amphibian from 309 Million Years Before 'Creation Week'.

AI-generated impression of life in Mazon Creek wetland in the Carboniferous Era

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Photo and illustration of the fossil of Jeanerpeton mazonensis.

Credit: Allison Sefcovic. © Field Museum.

Mother of amphibians: New species of proto-amphibian described by two student scientists, named in honor of their moms - Field Museum

One of the recurring problems for young-Earth creationism is that Earth’s history contains so much life before the supposed beginning of Earth’s history. A newly recognised fossil species from Illinois adds another example: a small, amphibian-like animal that lived approximately 309 million years ago, when the area around modern Chicago was a swampy river delta. That places it more than 300 million years before the creation event that biblical literalists insist accounts for all life on Earth. Explaining away a discrepancy of that magnitude requires rather more than pointing to an uncertainty in a scientific paper.

The animal is Jeanerpeton mazonensis, described by Allison J. Sefcovic, Payton J. Kohlberg and colleagues in a new paper in the Journal of Vertebrate Paleontology. Its recognition resulted from a fresh examination of a fossil already held in a museum collection. Previously assigned to Amphibamus grandiceps, the specimen proved sufficiently different in its skull and skeleton to warrant a genus and species of its own. The authors also suggest that other known specimens conceal more diversity among these early amphibamiforms than has previously been recognised.

The fossil comes from the exceptionally productive Mazon Creek deposits. Its preservation includes a body outline, scales, tiny abdominal skeletal elements called gastralia, and even impressions of the eyes. The genus honours the two student lead authors’ mothers, both named Jean. This is a reminder that important discoveries can begin with someone taking a closer look at a specimen collected long ago.

Left: Allison Sefcovic and Payton Kohlberg hold epoxy sculptures of their new species, Jeanerpeton mazonensis.

Photo credit: Arjan Mann. © Field Museum.

Of particular interest are structures previously interpreted as toe pads resembling those of living amphibians. Alongside the skeletal anatomy, such features help researchers investigate the combinations of characteristics present in these ancient animals. That does not establish Jeanerpeton as the direct ancestor of modern frogs or salamanders: resemblance and evolutionary relationship are not proof of direct ancestry. Its significance lies in adding another anatomically distinctive animal to the record against which explanations of amphibian evolution must be tested.

Why Science Works - And Creationism Fails - A Fossil From Mongolia Changes Scientific Minds, But Creationists Will Just Ignore It

AI-generated impression of life in the Cretaceous Gobi. The mammal in the foreground is a generalised small mammal, not Tamirkhan balcarceli, for whom there is insufficient data for a reconstruction

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Field photos of the Khugenetsavkhlant badlands in the Eastern Gobi Desert of Mongolia today, where Tamirkhan balcarceli was discovered.

Michael Novacek/© AMNH

Gobi Fossil Reshapes the Mammal Family Tree | AMNH

One of the most revealing differences between science and creationism is what happens when new evidence challenges an established explanation. In science, that is an opportunity to improve our understanding. In creationism, where the conclusion has already been declared unquestionable, it becomes a problem to explain away. A remarkable fossil from Mongolia’s Gobi Desert provides a particularly instructive example: a small mammal whose combination of teeth, skull and limb bones has prompted scientists to reconsider an enduring hypothesis about mammalian evolution. Predictably, there is no comfort here for anyone hoping that revising an evolutionary family tree means abandoning evolution.

The animal, Tamirkhan balcarceli, is described in a paper in Nature by Andres Giallombardo and colleagues. Discovered in 2004, the exceptionally informative specimen preserves a skull and part of a hind limb. This provides something researchers had previously lacked for the enigmatic mammals known as zhelestids: teeth and substantial skeletal remains belonging to the same individual.

Until now, zhelestids were known principally from teeth and fragmentary jaws. Their relatively low, rounded molar cusps resembled those of plant-eating hoofed placental mammals, encouraging suggestions that they represented an early radiation of placentals during the Cretaceous. The new fossil tests that interpretation against a much broader sample of anatomy. Its zhelestid-like molars occur alongside distinctive incisors, skull structures and hindlimb features characteristic of another ancient mammalian group, the zalambdalestoids. The researchers conclude that zhelestids belong within that group. Their apparently revealing resemblance to later herbivorous placentals arose through convergent evolution.

The significance extends beyond moving a name from one branch of a family tree to another. Identifying which ancient mammals belong within the placental radiation helps establish when that radiation began and how its early members diversified. An animal can possess teeth resembling those of a later group without belonging to that group: similar feeding demands can favour similar dental adaptations in separate evolutionary lineages. More complete fossils allow researchers to distinguish those similarities from the wider anatomical evidence of ancestry. This discovery therefore changes how an important set of Cretaceous fossils contributes to the history of placental origins; it does not, by itself, settle every question about their timing.

For young-Earth creationists, the chronological problem remains as severe as ever. This is a Late Cretaceous mammal, part of a world that existed tens of millions of years before the few thousand years into which they attempt to compress the history of Earth and its inhabitants. Revising its evolutionary relationships does nothing to bring that world within the biblical timetable. Nor does a previously mistaken interpretation of its teeth supply evidence for separately created “kinds”. To establish that claim would require positive evidence of separate creation, not merely the discovery that one proposed relationship needs correction.

Refuting Creationism - Fossils of Complex Cells In Australian Mudstone - From 1.7 Billion Years Before 'Creation Week'

Layers of 1.7 billion-year-old sedimentary rocks, Kakadu National Park, Northern Territory

Maxwell Lechte

Fossils of single-celled eukaryotic organisms with complex surface features such as extensions and plates.

Leigh Anne Riedman

Tiny fossils found in 1.7 billion-year-old mud yield clues to the evolution of complex life

For young-Earth creationists, some of the most troublesome evidence comes in the smallest packages. Microscopic fossils preserved in ancient Australian mudstones record organisms living approximately 1.75–1.4 billion years ago — an antiquity impossible to reconcile with the few thousand years allowed by a literal reading of the biblical genealogies. These organisms were already part of aLayers of 1.7 billion-year-old sedimentary rocks, Kakadu National Park, Northern Territoryn evolving biosphere more than a billion years before the supposed “Creation Week”. Their existence presents a chronological problem that no amount of argument about the meaning of “kind” can resolve.

These fossils are the subject of a paper in Nature, by Maxwell A. Lechte and colleagues, investigating the environments inhabited by some of the earliest known eukaryotes. Eukaryotes are organisms with structurally complex cells, typically containing a nucleus and specialised internal compartments; they include animals, plants, fungi and numerous microscopic organisms. Here, “complex life” refers to cellular organisation, not to miniature animals swimming through those ancient seas. Understanding these early cells helps explain the evolutionary foundations upon which much later forms of life depended.

Creationism Refuted - Bats Evolved In Europe - 65 Million Years Before 'Creation Week'

New study reveals bats originated in Europe and rewrites the bat family tree | University of St Andrews news

Corynorhinus townsendii.

Credit: Elizabeth Clare.

Bats present creationists with a multitude of problems: firstly, there is the fact that they have a vastly more effective immune system than humans, so creationists need to explain why an omnibenevolent creator god would not give his favourite special creation, humans, the best available immune system. Secondly, there is the famous Bible blunder where, in most English language translations, bats appear to have been classified as birds (Leviticus 11:13-19) by the ignorant people who wrote it.

Now the facts have become even more difficult in the form of an awkward combination: remarkable adaptations that invite declarations of “design”, and an evolutionary history that researchers can investigate using evidence. Calling a bat a specially created “kind” explains neither its relationships with other bats nor when and where those relationships arose. Those are questions that require fossils, genomes and testable hypotheses.

Now, a major international study, published in Nature, has brought these questions into sharper focus. Researchers working within the Bat1K consortium assembled genomic data from 103 species, representing all 21 recognised living bat families, and combined this resource with anatomical evidence from 44 fossil bats. The university summarises their findings as pointing to a European origin for bats and mammalian powered flight around 65 million years ago — tens of millions of years before the supposed “Creation Week” of young-Earth creationism.

The research reconstructs a branching history of ancestry, migration and diversification. Its geographical model favours Europe as the ancestral region, followed by dispersal into Africa and subsequent expansion into other continents. These are historical inferences that can be tested and revised as further evidence becomes available.

The study also sheds light on echolocation: the ability to use returning echoes to detect surroundings and prey. The inferred position of the extinct bat Vielasia supports the conclusion that laryngeal echolocation — using calls generated in the voice box — arose before the diversification of the group containing all living bats. This places another celebrated bat adaptation deep within their evolutionary history.

Creationism Refuted - 'Jumping Genes' Create New Functional Genetic Information - No Magic needed.

Eciton vagans, with lava from a raided wasp nest.

By Geoff Gallice from Gainesville, FL, USA Spoils of the raid, CC BY 2.0, Link

Ants look back on an evolutionary story of success. The photo shows workers of the Asian weaver ant.

© Lukas Schrader

“Jumping genes” helped ants in their evolutionary triumph after the extinction of the dinosaurs

One of creationism’s favourite assertions is that evolution cannot produce “new genetic information” without an intelligent designer. What usually goes missing is a clear definition of information, an explanation of why known genetic mechanisms cannot generate novelty, or any evidence of the supposed designer doing anything. Meanwhile, evolutionary biologists continue to investigate the natural processes by which genomes change and organisms acquire new capabilities. A new study of ants provides another example of how productive that scientific approach can be.

As reported in Science Advances, an international team led by Dr Lukas Schrader has investigated the contribution of transposable elements, commonly called “jumping genes”, to ant evolution. These mobile DNA sequences can move or copy themselves within genomes. Their activity can be disruptive, but it can also supply material for evolutionary innovation. The research links their activity to the expansion of gene families, including those encoding the odour receptors so important to ants’ chemical communication.

The researchers compared genomes from 163 ant species, representing twelve of the sixteen living subfamilies. They identified independent bursts of transposable-element activity in the ancestors of major ant groups, preceding their rapid diversification following the Cretaceous–Palaeogene, or K–Pg, mass extinction approximately 66 million years ago. The findings support a connection between changes within genomes and the evolutionary opportunities created by a profoundly altered world.

The evolutionary significance is straightforward. A mass extinction changes the conditions under which survivors live: ecological relationships are disrupted, resources become available in different ways, and opportunities arise as ecosystems recover. A genetic variant that previously offered little advantage may become useful under these new conditions. Natural selection can then favour organisms carrying it. Neither the mutation nor the environmental upheaval needs to anticipate the outcome.

Nor does genetic novelty require a complete, finished gene to appear from nowhere. Duplication supplies additional copies of existing sequences, which can subsequently diverge; changes to the regulation and arrangement of DNA can also alter what an organism does. Calling the starting material “existing information” does nothing to prevent its descendants from acquiring new functions. The relevant questions concern what changed, how it changed, and what consequences followed—not whether creationists are willing to call the result “information”.

Here, the specific finding is an association between mobile DNA, expanding gene families and subsequent diversification. It should not be inflated into a claim that every extra receptor acquired a demonstrated new function, or that the asteroid impact directly produced particular beneficial mutations. Nevertheless, the study supplies evidence for a natural route connecting genomic change with evolutionary diversification, precisely where the creationist argument substitutes an assertion of impossibility.

For young-Earth creationists, there is the additional inconvenience of the timescale. This diversification followed an extinction event some 66 million years ago—thousands of times further into the past than their entire supposed history of the Universe allows. Ant evolution was already unfolding in a world unimaginably ancient by biblical standards. What emerges is a history of genetic change, environmental catastrophe and opportunities exploited by surviving lineages, without foresight or a predetermined destination.

Fine-Tuned Fallacy Exposed - Earth Fine-Tuned For Regular Mass Extinctions - Malevolence, Incompetence Or Nature?

AI-generated impression of the End-Permian extinction

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AI-generated impression of the End-Permian mass extinction.

UNM researcher helps uncover recurring climate regimes linked to elevated extinction risk | UNM UCAM Newsroom

One of the more ridiculous of creationist claims is that Earth was perfectly ‘fine-tuned’ for life by an omniscient, omnibenevolent designer. Ridiculous because a mere glance at the reality should tell them that natural disasters such as earthquakes, seismic activity and flash-floods regularly devastate huge areas and kill vast numbers of people. The rose-tinted view requires a remarkably selective reading of the planet’s history: admire the organisms alive today, but overlook the environmental upheavals that wiped out so many of their predecessors. A world capable of supporting life is not necessarily a world designed to protect it, and the geological record provides abundant evidence of that distinction.

New research, paper, published in Nature Communications, adds another dimension to this problem. An international team, including UNM palaeobiologist Corinne “Cori” Myers, examined approximately 539 million years of Earth’s history and identified five major, persistent ‘mega-climate’ regimes. Transitions between these regimes were associated with heightened vulnerability in the biosphere and elevated extinction risk. The history emerging from this analysis is one of prolonged climatic states punctuated by potentially dangerous reorganisations.

The study brings together carbon and oxygen isotope records, statistical analyses and a conceptual model of the interacting climate and carbon cycle. The researchers compared the environmental patterns with a measure of biological vulnerability incorporating fossil diversity and the rates at which groups appeared and disappeared. Their findings suggest that the consequences of an environmental disturbance depend partly on the state of the planetary system it affects: a perturbation can help push that system into a different regime, with serious consequences for its inhabitants.

This does not establish that every mass extinction had the same cause, or that each climate transition inevitably produced one. Volcanism, asteroid impacts and their associated environmental effects remain essential parts of the explanation. The study instead offers a broader framework for understanding why some episodes of disruption coincided with particularly severe biological crises. Its central finding concerns an association between changing climate–carbon regimes and increased vulnerability, rather than a single universal extinction mechanism.

For the creationist argument, however, the difficulty is plain. If Earth’s suitability for living organisms is to count as evidence of benevolent design, what are we to make of its capacity to become catastrophically unsuitable for organisms already living here? Invoking a designer’s concern for life while dismissing the destruction of entire evolutionary lineages is an exercise in choosing the evidence to fit the conclusion. Survival receives the credit; extinction disappears into the small print.

Creationism Refuted - The History Of Viticulture - Uninterrupted By A Global Genocide

AI-Generated image of wine-making in Iberia, 3000 Years ago

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Grape seeds from Huelva, Vitis vinifera L.

Image: Guillem Pérez Jordà.

Ancient DNA reveals that the first grapevines cultivated in the Iberian Peninsula arrived from the eastern Mediterranean 3,000 years ago

If fruit-bearing plants were created for human use by an omnipotent, omniscient god, why have humans spent thousands of years modifying them to suit our needs? Genesis 1:29 presents seed-bearing plants and fruit trees as divine provisions for humanity, yet agriculture tells a rather different story: people taking what nature supplied and, through cultivation and selection, producing crops better suited to their purposes. Grapevines provide another example of this gap between the claim of providential design and the biological history of our food.

Research published in Current Biology, traces part of that history through ancient DNA. An international team analysed 28 archaeological grape seeds from Iberia and Sardinia. Their findings indicate that cultivated vines of eastern Mediterranean ancestry reached Iberia approximately 3,000 years ago, associated with Phoenician settlement and trade. These were already domesticated plants, arriving in a landscape where wild grapevines also grew.

The imported vines subsequently crossed with local wild populations. This mixing contributed to the ancestry of traditional Iberian varieties, with characteristic lineages already identifiable in seeds from the fourth century BCE. Ancient DNA also revealed connections between medieval seeds and varieties preserved today. The record therefore contains both change and continuity: new combinations of ancestry alongside lineages maintained across centuries.

More worryingly for Bible-literalist creationist, the genetic evidence shows that viticulture (the cultivation and growing of grapes) has a continuous history from before 'Creation Week' through the mythical global flood and biological reset of Earth, right up to the present, with no evidence of interruption of either the culturally-inherited methods or of the grape varieties used.

This is a useful illustration of how evolution works. Populations do not have to acquire all their useful variation through new mutations arising on the spot. Reproduction can reshuffle existing variation, while interbreeding brings together genetic variants from previously separated populations. Cultivation then provides opportunities for people to retain and propagate plants with desirable characteristics. Human preferences influence which vines reproduce or are multiplied, but the inheritance and variation on which that selection acts are ordinary biological processes.

Creationism Refuted - Relative Bone Strengths Adds More Evidence Of Human Evolution

Image: Cullen Townsend

On the right is a depiction of an early Homo human ancestor characterized by relatively greater bone strength of the femur in the thigh compared to the humerus in the arm. To the left is a depiction of an older human ancestor, Australopithecus, characterized by more equivalent strength in the bones of the arm and thigh.

Image: Cullen Townsend

Study of bone strength reveals new clues about human evolution | EurekAlert!

One of the persistent problems for creationism is that our ancestors left evidence of their existence millions of years before the supposed biblical “Creation Week”. Worse still for the claim that humans were created separately from the other apes, those ancestors possessed combinations of characteristics that make sense as stages in an evolutionary history. The creationist insistence that a fossil must be either “just an ape” or “fully human” cannot accommodate the very mixtures of ancestral and derived features that evolution predicts.

A new study published in Science Advances adds another piece to this picture. Led by Kristian J. Carlson of the Keck School of Medicine of the University of Southern California, the researchers examined CT scans of limb bones from seven fossil hominins, dating from approximately 3.7 million to 1.5 million years ago. By analysing the structure of their bone shafts, they estimated resistance to bending and twisting and compared strength across the limbs.
Bone responds to the mechanical loads placed upon it during life, so its internal structure offers clues to habitual activity. In the sampled Australopithecus individuals, relatively strong upper arms suggest substantial climbing, while the relationship between thigh-bone and shin-bone strength was more human-like. Early Homo, by contrast, showed relatively stronger thighs compared with upper arms, consistent with greater reliance on terrestrial walking. These findings support a change in locomotor behaviour, although seven individuals cannot establish every step or the precise pace of that transition.

The evolutionary significance lies in the combination. Upright walking could coexist with continued use of the trees: acquiring one capability did not require the immediate abandonment of another. An ancestor with this mixture was a functioning animal in its own environment, with no need to anticipate the anatomy or lifestyle of its distant descendants. Evolution has no destination, and modern humans were never a goal towards which these populations were consciously or inevitably progressing.

For young-Earth creationism, the chronological difficulty is equally stark. Even the youngest fossils examined are about 150 times older than a generously extended 10,000-year biblical chronology. Their bone structure provides evidence about how these individuals lived; their geological ages place those lives in a past that the creationist narrative simply does not allow. Together, they present a much more substantial account of human origins than an assertion that fully formed humans appeared by supernatural decree a few thousand years ago.

Creationism Refuted - 55-Million-Year-Old Crocodile Eggshells From Queensland, Australia

AI-generated reconstruction of an early mekosuchine crocodilian beside a lakeshore nest in Eocene Australia

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AI-generated reconstruction of an early mekosuchine crocodilian beside a lakeshore nest in Eocene Australia.

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55 million years: Australia’s oldest crocodile eggshells found in Queensland

A major problem for young-Earth creationists is that so much of Earth’s history occurred millions or billions of years before their biblical chronology allows the planet to have existed. Fossils repeatedly confront them with evidence of animals living, reproducing and evolving in worlds that supposedly never existed. Dismissing this evidence as scientific incompetence or dishonesty does nothing to explain it. Nor does accusing researchers of manipulating dates become an acceptable substitute for evidence simply because the accusation is made in defence of the Bible.

The latest addition to this inconvenient record comes from approximately 55-million-year-old crocodilian eggshells found at Murgon in south-eastern Queensland, Australia. These animals were laying eggs more than 5,000 times further back in time than even a generous 10,000-year creationist chronology permits. The fragments are described in a paper in the Journal of Vertebrate Paleontology by an international team including Michael Stein of the University of New South Wales.

The oldest known crocodilian eggshells from Australia, they are attributed to the mekosuchines, an extinct group with a long evolutionary history in the region. These crocodilians belonged to a different branch of the family tree from Australia’s living saltwater and freshwater crocodiles. Their significance therefore extends beyond their inconvenient age: they help document an ancient crocodilian fauna that cannot simply be equated with the species inhabiting Australia today.

Eggshells also preserve information that bones and teeth alone cannot provide. Their microscopic structure offers clues to reproduction and nesting conditions; in this case, the researchers interpret the evidence as indicating nesting around the margins of an ancient lake. These tiny fragments therefore add another dimension to our understanding of how extinct crocodilians lived and interacted with their environment.

The broader evolutionary picture is one of branching lineages, ecological diversity and eventual extinction over immense spans of time. The eggshells contribute to that picture without, by themselves, revealing every evolutionary relationship or the precise identity of the animal that laid them. That distinction matters: science builds its explanations from what the evidence supports, while leaving room for further discoveries. None of that uncertainty reduces 55 million years to a few thousand.

Michael David Stein, a research associate in UNSW’s School of Biological, Earth and Environmental Sciences and a co-author of the paper, describes the discovery and its significance in an article in The Conversation, reprinted below under a Creative Commons licence and reformatted for stylistic consistency: