https://www.sciencedaily.com/news/fossils_ruins/dinosaurs/ All about dinosaurs. Read about dinosaur discoveries including gigantic meat-eating dinosaurs, earliest dinosaurs and more. Dinosaur pictures and articles. en-us Mon, 10 Aug 2026 11:18:02 EDT Mon, 10 Aug 2026 11:18:02 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/fossils_ruins/dinosaurs/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/08/260808234956.htm A 240-million-year-old reptile discovered in Brazil is revealing what evolution looked like just before the rise of dinosaurs and crocodiles. The small predator had unusually positioned legs that may have allowed it to move more efficiently than many earlier reptiles. Its close relatives were previously known mostly from other continents, suggesting these ancient animals spread much farther across the Triassic world than scientists realized. Mon, 10 Aug 2026 07:40:02 EDT https://www.sciencedaily.com/releases/2026/08/260808234956.htm https://www.sciencedaily.com/releases/2026/08/260807035137.htm Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature end of the dinosaur spectrum—and that early mammals may have been partly responsible. While dinosaurs kept mammals from becoming large, small mammals may have returned the favor by occupying ecological niches that could otherwise have supported mouse-sized dinosaurs. Sun, 09 Aug 2026 06:15:11 EDT https://www.sciencedaily.com/releases/2026/08/260807035137.htm https://www.sciencedaily.com/releases/2026/08/260805082500.htm Several enormous Megalodon vertebrae thought to have been destroyed in 1989 were found sitting unnoticed on a museum shelf. Their analysis strengthens evidence that the giant shark could exceed 24 meters (79 feet) in length and live for nearly a century. Researchers also estimate that its newborns may have measured an astonishing 3.6 meters (12 feet). Thu, 06 Aug 2026 22:57:08 EDT https://www.sciencedaily.com/releases/2026/08/260805082500.htm https://www.sciencedaily.com/releases/2026/08/260804034644.htm A spectacular fossil site in Canada contains 567-million-year-old creatures that may represent some of the earliest animals to move, reproduce sexually, and develop recognizable body plans. The discovery pushes key evolutionary milestones back by up to 10 million years and suggests complex animal life may have first flourished in the deep ocean. Wed, 05 Aug 2026 20:33:35 EDT https://www.sciencedaily.com/releases/2026/08/260804034644.htm https://www.sciencedaily.com/releases/2026/08/260803080854.htm Fossilized dinosaur bones from Wyoming are offering a rare glimpse into the feeding behavior of Tyrannosaurus rex. Researchers examined more than 3,000 bones dating back 72 to 66 million years and found just 12 with possible tooth traces, including four with patterns that closely matched the shape and spacing of T. rex teeth. Tue, 04 Aug 2026 23:15:21 EDT https://www.sciencedaily.com/releases/2026/08/260803080854.htm https://www.sciencedaily.com/releases/2026/08/260801093740.htm A massive crocodilian capable of attacking dinosaurs has been brought back to life as the first scientifically accurate mounted skeleton of Deinosuchus schwimmeri. The 31-foot replica at Georgia’s Tellus Science Museum was built from detailed fossil scans and more than 40 years of research by paleontologist Dr. David Schwimmer, for whom the species was named. Wed, 05 Aug 2026 06:50:56 EDT https://www.sciencedaily.com/releases/2026/08/260801093740.htm https://www.sciencedaily.com/releases/2026/07/260729010732.htm A fossil overlooked for nearly 80 years has revealed a previously unknown crocodile relative that lived 210 million years ago in what is now New Mexico. Named Eosphorosuchus lacrimosa, the jackal-sized predator had a reinforced skull, powerful jaw muscles, and a short snout built for tackling larger prey. Thu, 30 Jul 2026 02:34:21 EDT https://www.sciencedaily.com/releases/2026/07/260729010732.htm https://www.sciencedaily.com/releases/2026/07/260727214619.htm A new analysis has precisely dated paintings in France’s Font-de-Gaume cave for the first time. Scientists discovered charcoal inside black pigments once thought to contain only minerals, allowing them to use radiocarbon dating. The results show that a bison was painted about 13,000 years ago, while sections of a mask-like figure were added during several widely separated periods. Tue, 28 Jul 2026 07:16:44 EDT https://www.sciencedaily.com/releases/2026/07/260727214619.htm https://www.sciencedaily.com/releases/2026/07/260726015301.htm Early humans in England crafted a rare piece of elephant bone into a reusable hammer for sharpening stone tools nearly 500,000 years ago. The extraordinary find reveals that ancient toolmakers were resourceful, skilled, and capable of surprisingly advanced planning. Mon, 27 Jul 2026 08:36:16 EDT https://www.sciencedaily.com/releases/2026/07/260726015301.htm https://www.sciencedaily.com/releases/2026/07/260723084852.htm A newly identified fossil ape from northern Egypt is reshaping ideas about where the ancestors of modern apes first emerged. Analyses place it closer to living apes than any known East African species of the same age, pointing to North Africa and the Middle East as a possible birthplace and crossroads for the ape lineage that eventually produced gibbons, orangutans, gorillas, chimpanzees, and humans. Fri, 24 Jul 2026 03:03:54 EDT https://www.sciencedaily.com/releases/2026/07/260723084852.htm https://www.sciencedaily.com/releases/2026/07/260722032105.htm Ancient fern savannahs may have transformed parts of Europe into a wildfire-prone inferno during the end-Triassic mass extinction. New fossil evidence suggests the ferns repeatedly regrew after fires, creating fresh fuel that helped prolong the devastation. Wed, 22 Jul 2026 09:10:01 EDT https://www.sciencedaily.com/releases/2026/07/260722032105.htm https://www.sciencedaily.com/releases/2026/07/260719231758.htm Two elephant-sized South American sauropods were unusually well built for standing on their hind legs. Digital tests showed that their robust femurs handled the enormous forces better than those of larger species, especially while the dinosaurs were young. The upright pose may have helped them reach treetops, frighten predators, or impress potential mates. Mon, 20 Jul 2026 09:23:44 EDT https://www.sciencedaily.com/releases/2026/07/260719231758.htm https://www.sciencedaily.com/releases/2026/07/260715083546.htm Fossils from Queensland suggest a newly recognized marsupial order may have survived in Australia for around 35 million years, rewriting part of the story of how the continent's unique mammals evolved. The discovery challenges the idea that Australia's marsupials all came from a single straightforward ancestral lineage. Sun, 19 Jul 2026 01:53:59 EDT https://www.sciencedaily.com/releases/2026/07/260715083546.htm https://www.sciencedaily.com/releases/2026/07/260713000811.htm A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of a dramatic predator-prey encounter. The discovery suggests the giant carnivore delivered an incredibly powerful face-to-face bite, offering new clues about how Tyrannosaurus hunted. Tue, 14 Jul 2026 02:48:52 EDT https://www.sciencedaily.com/releases/2026/07/260713000811.htm https://www.sciencedaily.com/releases/2026/07/260711010122.htm Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in Earth's greatest mass extinction, when warming oceans and falling oxygen levels wiped out animals that couldn't adapt. Species with body plans and metabolisms better suited to the changing conditions survived and went on to dominate the seas, offering a glimpse of how modern marine life could respond to climate change. Sun, 12 Jul 2026 00:02:00 EDT https://www.sciencedaily.com/releases/2026/07/260711010122.htm https://www.sciencedaily.com/releases/2026/07/260709160637.htm Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New Zealand's birds. The find suggests the country's giant flightless geese evolved from much more recent arrivals, revealing a far more dynamic evolutionary history than once believed. Fri, 10 Jul 2026 21:57:14 EDT https://www.sciencedaily.com/releases/2026/07/260709160637.htm https://www.sciencedaily.com/releases/2026/06/260625060216.htm A stunning fossil discovery shows that ancient bees used the empty tooth sockets of mammal bones as tiny nests after owls scattered the bones across a cave floor 20,000 years ago. It's the first known evidence of bees nesting inside animal bones, revealing an astonishingly creative survival strategy. Sun, 05 Jul 2026 15:23:32 EDT https://www.sciencedaily.com/releases/2026/06/260625060216.htm https://www.sciencedaily.com/releases/2026/06/260624115624.htm Scientists discovered ancient wolves on a tiny Baltic island where they could only have been brought by humans, suggesting an unexpectedly close relationship between people and wolves thousands of years ago. Evidence indicates the wolves were fed, possibly cared for, and may even have been managed or selectively bred long before modern ideas of domestication. Sun, 05 Jul 2026 17:54:12 EDT https://www.sciencedaily.com/releases/2026/06/260624115624.htm https://www.sciencedaily.com/releases/2026/06/260623011230.htm Scientists have finally confirmed the origin of the mysterious Silverpit Crater beneath the North Sea. New evidence shows that an asteroid about 160 meters wide struck the seabed roughly 43 to 46 million years ago. The impact triggered a tsunami more than 100 meters high and left behind a crater that geologists debated for years. Mon, 29 Jun 2026 23:44:40 EDT https://www.sciencedaily.com/releases/2026/06/260623011230.htm https://www.sciencedaily.com/releases/2026/06/260621110957.htm Tyrannosaurus rex may have been a much slower grower than scientists realized. A new study of 17 tyrannosaur fossils found that the giant predator likely took about 40 years to reach its full size of roughly eight tons, extending previous estimates by 15 years. Mon, 22 Jun 2026 00:32:59 EDT https://www.sciencedaily.com/releases/2026/06/260621110957.htm https://www.sciencedaily.com/releases/2026/06/260621060311.htm A newly discovered feathered dinosaur called Jian changmaensis may be the missing predator responsible for mysterious piles of crushed prehistoric bird bones in China. The four-winged glider, a close cousin of Velociraptor, helps reveal how early birds and their dinosaur relatives shared the same ancient landscape. Tue, 23 Jun 2026 08:58:10 EDT https://www.sciencedaily.com/releases/2026/06/260621060311.htm https://www.sciencedaily.com/releases/2026/06/260621031409.htm A team of researchers recreated a life-size oviraptor nest to investigate how these bird-like dinosaurs incubated their eggs millions of years ago. By combining physical experiments with heat transfer simulations, they discovered that oviraptors likely relied on both their own body heat and warmth from the sun. Wed, 01 Jul 2026 16:13:44 EDT https://www.sciencedaily.com/releases/2026/06/260621031409.htm https://www.sciencedaily.com/releases/2026/06/260618041450.htm Plague was already a deadly killer 5,500 years ago, long before cities, farming, or the rat-infested conditions usually linked to historic outbreaks. By analyzing ancient DNA from hunter-gatherer cemeteries in Siberia, researchers discovered early plague strains in nearly 40% of the individuals studied and found evidence of rapid family-based outbreaks that wiped out many children and young teenagers. Thu, 18 Jun 2026 08:16:46 EDT https://www.sciencedaily.com/releases/2026/06/260618041450.htm https://www.sciencedaily.com/releases/2026/06/260612032038.htm A spectacular fossil fish discovered on a remote cliff in New Zealand nearly 30 years ago has finally revealed its full story thanks to an unexpected discovery: the original collector’s long-lost field notebooks. The 1.2-meter fossil, preserved in stunning three-dimensional detail, belonged to an ancient tarpon-like predator that cruised New Zealand waters about 55 million years ago. Fri, 12 Jun 2026 05:15:42 EDT https://www.sciencedaily.com/releases/2026/06/260612032038.htm https://www.sciencedaily.com/releases/2026/06/260606075855.htm Ancient grooves on human teeth, once hailed as evidence of tooth-picking, may simply be the result of natural wear, according to a new study of wild primates. The research also revealed that a common modern dental defect appears to be uniquely human, hinting that today's lifestyles may be reshaping our teeth in unexpected ways. Mon, 08 Jun 2026 06:49:32 EDT https://www.sciencedaily.com/releases/2026/06/260606075855.htm https://www.sciencedaily.com/releases/2026/06/260603023914.htm An ancient mountain cave in the Pyrenees may have served as one of the earliest high-altitude mining camps ever discovered, with evidence of repeated visits spanning thousands of years. The find becomes even more intriguing with the discovery of a child’s remains and clues that deeper excavations could uncover prehistoric burials. Wed, 03 Jun 2026 05:10:16 EDT https://www.sciencedaily.com/releases/2026/06/260603023914.htm https://www.sciencedaily.com/releases/2026/05/260529043641.htm Scientists have discovered Labrujasuchus expectatus, a bizarre crocodile relative that looked more like an ostrich-like dinosaur than anything resembling a modern crocodile. It walked on two legs, had tiny arms, and sported a toothless beak—an unexpected combination for a member of the crocodile lineage. Fri, 29 May 2026 08:39:56 EDT https://www.sciencedaily.com/releases/2026/05/260529043641.htm https://www.sciencedaily.com/releases/2026/05/260529043636.htm A newly discovered raptor-like dinosaur from Patagonia is changing how scientists think about ancient predators. Named Kank australis, the 70-million-year-old dinosaur appears to have hunted fish much like modern herons, using a long, flexible neck and specialized vertebrae adapted for swift, precise movements. Fri, 29 May 2026 08:26:51 EDT https://www.sciencedaily.com/releases/2026/05/260529043636.htm https://www.sciencedaily.com/releases/2026/05/260522023111.htm A colossal new sea predator named Tylosaurus rex has been identified from fossils found in Texas, revealing a brutal 43-foot-long hunter that ruled ancient oceans 80 million years ago. The discovery not only introduces one of the biggest mosasaurs ever known, but also shakes up long-standing ideas about how these marine reptiles evolved. Sat, 23 May 2026 06:50:05 EDT https://www.sciencedaily.com/releases/2026/05/260522023111.htm https://www.sciencedaily.com/releases/2026/05/260520093709.htm Reptiles have been growing armor in their skin on and off for hundreds of millions of years, but scientists never fully understood how it evolved. A massive new evolutionary study shows these skin bones appeared independently in multiple lizard groups rather than coming from a single armored ancestor. Even more astonishing, Australian goannas lost this armor long ago — then evolved it back again millions of years later. Wed, 20 May 2026 22:48:04 EDT https://www.sciencedaily.com/releases/2026/05/260520093709.htm https://www.sciencedaily.com/releases/2026/05/260519224326.htm Scientists have identified the oldest known human remains in Northern Britain as a young girl who lived around 11,000 years ago. Found in a Cumbrian cave and nicknamed the “Ossick Lass,” she was likely between 2.5 and 3.5 years old when she died. Nearby jewelry and evidence of multiple burials suggest the cave held deep spiritual importance for some of Britain’s earliest hunter-gatherers. The discovery is shedding new light on life — and death — just after the Ice Age. Wed, 20 May 2026 03:07:58 EDT https://www.sciencedaily.com/releases/2026/05/260519224326.htm https://www.sciencedaily.com/releases/2026/05/260519224314.htm Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across multiple dinosaur groups, stronger skulls and crushing jaws evolved alongside shrinking forelimbs, especially in predators hunting enormous prey. In other words, once the bite became deadly enough, the arms may have stopped mattering. Wed, 20 May 2026 00:29:06 EDT https://www.sciencedaily.com/releases/2026/05/260519224314.htm https://www.sciencedaily.com/releases/2026/05/260515234644.htm A stunning fossil discovery in Ethiopia shows that early Homo and a previously unknown Australopithecus species lived together around 2.6 to 2.8 million years ago. The find overturns the classic “ape-to-human” progression and paints human evolution as a crowded, branching tree with multiple species coexisting. Scientists dated the fossils using volcanic ash deposits and are now investigating what these ancient relatives ate and whether they competed for resources. Sat, 16 May 2026 07:20:39 EDT https://www.sciencedaily.com/releases/2026/05/260515234644.htm https://www.sciencedaily.com/releases/2026/05/260515233340.htm A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs. Paleontologists uncovered the best-preserved stegosaur skull ever found in Europe, belonging to the iconic plated dinosaur Dacentrurus armatus, which roamed Earth around 150 million years ago. Because stegosaur skulls are extremely fragile and almost never survive intact, the fossil is helping researchers uncover previously unknown details about how these armored giants evolved. Sun, 17 May 2026 02:38:26 EDT https://www.sciencedaily.com/releases/2026/05/260515233340.htm https://www.sciencedaily.com/releases/2026/05/260515002121.htm A massive new dinosaur discovered in Thailand is rewriting Southeast Asia’s prehistoric history. The newly named Nagatitan chaiyaphumensis was a colossal long-necked sauropod that weighed around 27 tonnes and lived more than 100 million years ago. Scientists believe it may be the last giant sauropod ever to roam the region before rising seas transformed the landscape. Fri, 15 May 2026 08:36:33 EDT https://www.sciencedaily.com/releases/2026/05/260515002121.htm https://www.sciencedaily.com/releases/2026/05/260514084421.htm Scientists have uncovered compelling evidence that dinosaur fossils may still contain traces of their original proteins, overturning a long-standing belief that fossilization destroys all organic material. In a remarkably well-preserved Edmontosaurus fossil from South Dakota, researchers detected remnants of collagen — the main protein found in bone — using advanced techniques including mass spectrometry and protein sequencing. Thu, 14 May 2026 09:02:12 EDT https://www.sciencedaily.com/releases/2026/05/260514084421.htm https://www.sciencedaily.com/releases/2026/05/260511213154.htm A bizarre new giant dinosaur discovered in Argentina is giving paleontologists a fresh look at how Jurassic titans evolved in the Southern Hemisphere. Bicharracosaurus dionidei stretched about 20 meters long and carried a strange mix of features seen in both Diplodocus and Brachiosaurus relatives. Scientists believe it could represent the first known Jurassic brachiosaurid from South America, helping fill a major gap in the dinosaur fossil record. Tue, 12 May 2026 05:35:28 EDT https://www.sciencedaily.com/releases/2026/05/260511213154.htm https://www.sciencedaily.com/releases/2026/05/260504154028.htm A forgotten fossil hidden inside a garden wall has turned out to be one of Australia’s most remarkable prehistoric discoveries. Scientists have now identified the 240-million-year-old amphibian, Arenaerpeton supinatus, revealing an almost perfectly preserved skeleton—complete with rare traces of skin. This ancient river predator, about 1.2 meters long, looked somewhat like a giant salamander but was bulkier and armed with fearsome fang-like teeth. Wed, 06 May 2026 02:47:27 EDT https://www.sciencedaily.com/releases/2026/05/260504154028.htm https://www.sciencedaily.com/releases/2026/05/260504154023.htm Tyrannosaurs may be famous as fearsome apex predators, but new research reveals a more opportunistic—and slightly grim—side to their behavior. Using high-resolution 3D scans, a researcher identified precise bite marks on a massive tyrannosaur foot bone, showing that a smaller tyrannosaur had fed on the remains of a much larger relative over 75 million years ago. Tue, 05 May 2026 13:14:44 EDT https://www.sciencedaily.com/releases/2026/05/260504154023.htm https://www.sciencedaily.com/releases/2026/05/260501052858.htm Deep in a dried-up riverbed in Brazil, scientists uncovered a bizarre prehistoric mystery—twisted jawbones from a strange, long-lost animal unlike anything seen before. Dating back 275 million years, this creature, named Tanyka amnicola, belonged to an ancient lineage that should have already faded away, making it a kind of “living fossil” of its time. Fri, 01 May 2026 09:07:15 EDT https://www.sciencedaily.com/releases/2026/05/260501052858.htm https://www.sciencedaily.com/releases/2026/04/260427050554.htm A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, Cimolodon desosai, lived 75 million years ago and had traits—like a small body and varied diet—that likely boosted survival odds. Found in Baja California, the fossil includes rare skeletal remains that reveal how it moved and lived. Researchers believe its lineage helped mammals endure one of Earth’s deadliest events. Mon, 27 Apr 2026 10:58:35 EDT https://www.sciencedaily.com/releases/2026/04/260427050554.htm https://www.sciencedaily.com/releases/2026/04/260426012259.htm Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels hidden inside fossilized bones. In a massive Tyrannosaurus rex nicknamed Scotty, researchers discovered a network of preserved vessels within a rib that once fractured and began healing 66 million years ago. Using powerful synchrotron X-rays from particle accelerators, they were able to peer inside the dense fossil without damaging it, revealing intricate, iron-rich structures left behind by the healing process. Sun, 26 Apr 2026 07:44:57 EDT https://www.sciencedaily.com/releases/2026/04/260426012259.htm https://www.sciencedaily.com/releases/2026/04/260424024002.htm Nearly 100 million years ago, snakes weren’t the sleek, limbless creatures we know today—they still had hind legs and even a cheekbone that has almost vanished in modern species. A remarkably preserved fossil of Najash rionegrina from Argentina has reshaped how scientists think about snake origins, suggesting early snakes were large, wide-mouthed predators rather than tiny burrowers. Fri, 24 Apr 2026 04:36:51 EDT https://www.sciencedaily.com/releases/2026/04/260424024002.htm https://www.sciencedaily.com/releases/2026/04/260423031547.htm A long-standing mystery in southern Africa’s fossil record is beginning to unravel. After massive lava flows 182 million years ago seemed to erase evidence of dinosaurs in the region, scientists have now uncovered surprising new clues along the Western Cape coast. Dozens of dinosaur tracks, about 132 million years old, have been discovered in a tiny stretch of rock near Knysna—making them the youngest ever found in southern Africa. Thu, 23 Apr 2026 03:15:47 EDT https://www.sciencedaily.com/releases/2026/04/260423031547.htm https://www.sciencedaily.com/releases/2026/04/260423031536.htm Beneath the dry farmland of New South Wales lies a hidden window into a lost rainforest teeming with life from 11-16 million years ago. At McGraths Flat, scientists have uncovered fossils preserved in astonishing detail—not in typical rock like shale or sandstone, but in iron-rich sediment once thought incapable of such preservation. Tiny iron particles filled and captured entire cells, preserving everything from insect organs to fish eye pigments and delicate spider hairs. Thu, 23 Apr 2026 03:15:36 EDT https://www.sciencedaily.com/releases/2026/04/260423031536.htm https://www.sciencedaily.com/releases/2026/04/260422044628.htm A bizarre crocodile relative from the age of dinosaurs is rewriting what scientists thought they knew about ancient reptiles. This poodle-sized creature, called Sonselasuchus cedrus, appears to have started life walking on all fours before shifting to a two-legged stance as it matured—an unusual transformation rarely seen in the fossil record. Thu, 23 Apr 2026 00:51:41 EDT https://www.sciencedaily.com/releases/2026/04/260422044628.htm https://www.sciencedaily.com/releases/2026/04/260422044626.htm A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first breathed on land. This tiny creature, Captorhinus aguti, reveals the earliest known version of the rib-powered breathing system used by modern reptiles, birds, and mammals — a crucial innovation that helped vertebrates thrive outside water. Thu, 23 Apr 2026 00:06:20 EDT https://www.sciencedaily.com/releases/2026/04/260422044626.htm https://www.sciencedaily.com/releases/2026/04/260417224501.htm Tiny dinosaur fossils that puzzled scientists for over 20 years have finally revealed their true identity. Rather than belonging to a miniature species, they are actually baby ankylosaurs—some less than a year old, including a possible hatchling. By studying bone growth patterns, researchers confirmed these young dinosaurs hadn’t yet developed into full-sized adults. The discovery sheds new light on how ankylosaurs grew, showing they began developing armor surprisingly early. Tue, 21 Apr 2026 10:17:47 EDT https://www.sciencedaily.com/releases/2026/04/260417224501.htm https://www.sciencedaily.com/releases/2026/04/260415043623.htm A massive, bus-sized “terror croc” that once preyed on dinosaurs has been brought back to life in stunning detail with the first scientifically accurate full skeleton of Deinosuchus schwimmeri. Stretching over 30 feet long, this ancient apex predator ruled the southeastern U.S. more than 75 million years ago—and now visitors can see it up close at the Tellus Science Museum, the only place in the world with this replica. Wed, 15 Apr 2026 09:23:03 EDT https://www.sciencedaily.com/releases/2026/04/260415043623.htm https://www.sciencedaily.com/releases/2026/04/260415043619.htm A long-running dinosaur mystery may finally be solved: Nanotyrannus, once dismissed as just a teenage T. rex, appears to have been its own distinct species after all. Scientists analyzed a tiny throat bone from the original fossil and discovered growth patterns showing the animal was already mature, not a juvenile giant-in-the-making. This smaller predator—about half the size of a full-grown T. rex—likely roamed alongside its famous cousin, adding a new layer of complexity to prehistoric ecosystems. Wed, 15 Apr 2026 23:05:23 EDT https://www.sciencedaily.com/releases/2026/04/260415043619.htm https://www.sciencedaily.com/releases/2026/04/260415043610.htm A badly mangled dinosaur skull, once forgotten in a drawer, turned out to be a rare and important discovery. Reconstructed by a Virginia Tech student, it revealed a new species of early carnivorous dinosaur with unusual features never seen before. The fossil suggests some dinosaur groups were wiped out during the end-Triassic extinction, not just their rivals. It may represent one of the last survivors of an ancient dinosaur lineage. Wed, 15 Apr 2026 09:31:31 EDT https://www.sciencedaily.com/releases/2026/04/260415043610.htm https://www.sciencedaily.com/releases/2026/04/260415011643.htm A rare fossil discovery is shedding light on the “missing years” of early sponge evolution. Scientists found a 550-million-year-old sponge that likely lacked hard skeletal parts, explaining why earlier fossils are so scarce. This supports the idea that the earliest sponges were soft-bodied and rarely preserved. The finding changes how researchers hunt for the origins of animal life. Wed, 15 Apr 2026 02:02:43 EDT https://www.sciencedaily.com/releases/2026/04/260415011643.htm https://www.sciencedaily.com/releases/2026/04/260414075642.htm In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing a curled-up embryo—has finally answered a decades-old mystery about whether mammal ancestors laid eggs. Using advanced imaging technology, scientists confirmed that these resilient creatures did reproduce this way, likely producing large, soft-shelled eggs packed with nutrients. Tue, 14 Apr 2026 10:20:28 EDT https://www.sciencedaily.com/releases/2026/04/260414075642.htm https://www.sciencedaily.com/releases/2026/04/260407193853.htm A famous “oldest octopus” fossil has been exposed as a case of mistaken identity. Advanced imaging revealed hidden teeth showing it was actually related to a nautilus, not an octopus. The confusion came from decay that altered its shape before fossilization. This discovery rewrites part of evolutionary history, pushing the true origin of octopuses much later in time. Tue, 07 Apr 2026 19:38:53 EDT https://www.sciencedaily.com/releases/2026/04/260407193853.htm https://www.sciencedaily.com/releases/2026/04/260403002023.htm What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail revealed Megachelicerax cousteaui, the oldest known relative of spiders, pushing the origins of this group back by 20 million years. The fossil shows that key features of modern spiders and horseshoe crabs were already emerging during the Cambrian Explosion. Fri, 03 Apr 2026 05:11:17 EDT https://www.sciencedaily.com/releases/2026/04/260403002023.htm https://www.sciencedaily.com/releases/2026/04/260402042748.htm Thousands of years ago in a cave on Hispaniola, an unusual chain of events left behind a rare scientific treasure: bees nesting inside fossilized bones. After giant barn owls repeatedly brought prey like hutias into the cave, their remains accumulated in silt-rich chambers—creating a strange underground environment. Later, burrowing bees took advantage of the soft sediment and even reused tiny cavities in fossilized jaws and bones as ready-made nests, coating them with a smooth, waterproof lining. Fri, 03 Apr 2026 04:17:20 EDT https://www.sciencedaily.com/releases/2026/04/260402042748.htm https://www.sciencedaily.com/releases/2026/04/260401071923.htm Scientists uncovered a rare baby dinosaur in South Korea and named it Doolysaurus after a famous cartoon character. Using cutting-edge CT scans, they discovered hidden bones—including a skull—inside rock much faster than traditional methods. The young dinosaur, possibly fluffy and lamb-like, even had stomach stones that reveal it ate a mix of plants and small animals. The discovery suggests many more dinosaurs may still be hidden in Korea’s rocks. Wed, 01 Apr 2026 09:16:18 EDT https://www.sciencedaily.com/releases/2026/04/260401071923.htm https://www.sciencedaily.com/releases/2026/03/260330001143.htm Certain smaller sauropods could stand on their hind legs with surprising ease, giving them access to higher food and a defensive edge. Computer simulations show their bones handled stress better than those of their larger relatives. However, as they grew, the sheer weight made this posture much harder to sustain. What started as a useful trick in youth became a more limited, strategic move in adulthood. Mon, 30 Mar 2026 09:08:52 EDT https://www.sciencedaily.com/releases/2026/03/260330001143.htm https://www.sciencedaily.com/releases/2026/03/260324024245.htm Scientists have uncovered a new species of rhinoceros in the Canadian High Arctic, revealing that rhinos once lived far farther north than expected. The fossil, dating back 23 million years, is unusually complete and has helped reshape ideas about how these animals migrated between continents. Evidence suggests rhinos crossed from Europe to North America more recently than scientists once thought. Tue, 24 Mar 2026 07:13:14 EDT https://www.sciencedaily.com/releases/2026/03/260324024245.htm https://www.sciencedaily.com/releases/2026/03/260321012715.htm A newly discovered Triassic reptile from the UK looked more like a racing greyhound than a crocodile, built for speed on land. With long legs and a lightweight body, it hunted small animals in a dry, upland environment millions of years ago. Scientists identified it as a new species after spotting key differences in its fossils. It’s also a tribute to an inspiring teacher who helped spark a future scientist’s curiosity. Sat, 21 Mar 2026 04:57:59 EDT https://www.sciencedaily.com/releases/2026/03/260321012715.htm