https://www.sciencedaily.com/news/fossils_ruins/paleontology/ Paleontology News and Research. Read about the latest discoveries in the fossil record including theories on why the dinosaurs went extinct and more. en-us Tue, 19 May 2026 10:28:17 EDT Tue, 19 May 2026 10:28:17 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/fossils_ruins/paleontology/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/05/260517211429.htm A new study suggests humans became overwhelmingly right-handed because of two major evolutionary shifts: walking on two legs and developing much larger brains. Researchers found that as human ancestors evolved, their right-hand preference steadily intensified — transforming a mild tendency into one of humanity’s most distinctive traits. Mon, 18 May 2026 04:15:07 EDT https://www.sciencedaily.com/releases/2026/05/260517211429.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/2026/05/260511213158.htm Humans may have returned to Britain far earlier than scientists once believed — not long after the last ice sheet began retreating. New evidence suggests people were already moving into the British Isles around 15,200 years ago, tracking herds of reindeer and horses across a landscape that was suddenly becoming warmer and greener. Mon, 11 May 2026 21:31:58 EDT https://www.sciencedaily.com/releases/2026/05/260511213158.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/2026/05/260511213139.htm Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early animal life. What were once thought to be trails left behind by tiny worm-like creatures are now believed to be fossilized communities of bacteria and algae — some with remarkably preserved cells and organic material still intact. Tue, 12 May 2026 03:10:55 EDT https://www.sciencedaily.com/releases/2026/05/260511213139.htm https://www.sciencedaily.com/releases/2026/05/260510234711.htm The Toba supereruption 74,000 years ago was so massive it may have plunged Earth into years of darkness and cold, leading some scientists to believe humanity nearly went extinct. Yet archaeological evidence from Africa and Asia suggests early humans were far more resilient than once thought. Instead of disappearing, some communities adapted with new tools, new survival strategies, and remarkable flexibility. The disaster may not have destroyed humanity — it may have revealed just how tough humans really are. Sun, 10 May 2026 23:47:11 EDT https://www.sciencedaily.com/releases/2026/05/260510234711.htm https://www.sciencedaily.com/releases/2026/05/260508003113.htm Scientists in China discovered that ancient humans were making surprisingly advanced stone tools during a harsh ice age 146,000 years ago. The tools, created by Homo juluensis, show careful planning and complex thinking rather than simple stone-chipping. Researchers dated the site using tiny calcite crystals inside animal bones, revealing the tools are much older than expected. The discovery challenges the idea that human creativity only thrives in easy, prosperous times. Sat, 09 May 2026 06:22:50 EDT https://www.sciencedaily.com/releases/2026/05/260508003113.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/2026/04/260429043500.htm A massive prehistoric snake discovered in India may rank among the largest ever to slither across Earth. Named Vasuki indicus, this ancient giant lived around 47 million years ago and is estimated to have stretched an astonishing 11 to 15 meters long—rivaling the legendary Titanoboa. Fossilized vertebrae unearthed from a lignite mine in Gujarat reveal a thick-bodied, powerful snake likely built for slow, stealthy ambush attacks, similar to modern anacondas. Wed, 29 Apr 2026 05:13:03 EDT https://www.sciencedaily.com/releases/2026/04/260429043500.htm https://www.sciencedaily.com/releases/2026/04/260427050609.htm A new study suggests Neanderthals didn’t go extinct simply because of climate change or competition with Homo sapiens. Instead, the key difference may have been social connectivity—Homo sapiens formed stronger, more flexible networks that helped them survive environmental shocks. Neanderthals had connections too, but they were more fragile and regionally limited. This made them less resilient as conditions became increasingly unpredictable. Tue, 28 Apr 2026 04:42:03 EDT https://www.sciencedaily.com/releases/2026/04/260427050609.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/2026/04/260424233206.htm Giant, fearsome octopuses may have once ruled the ancient seas, according to new research that flips the script on their evolutionary past. By uncovering exquisitely preserved fossil jaws hidden inside rock, scientists revealed that early octopuses from the age of dinosaurs weren’t shy, soft-bodied drifters—they were massive apex predators, possibly stretching up to 20 meters long and crushing prey with powerful bites. Fri, 24 Apr 2026 23:32:06 EDT https://www.sciencedaily.com/releases/2026/04/260424233206.htm https://www.sciencedaily.com/releases/2026/04/260424233204.htm Beneath East Africa’s Turkana Rift, scientists have found the crust is thinning to a critical point, suggesting the continent is gradually breaking apart. This “necking” process marks an advanced stage of rifting that could eventually lead to a new ocean forming millions of years from now. Surprisingly, the same geological forces that are splitting the land may also explain why the region holds such a rich fossil record. Instead of being the birthplace of humanity, Turkana may just be where the story was best preserved. Sat, 25 Apr 2026 12:26:15 EDT https://www.sciencedaily.com/releases/2026/04/260424233204.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/2026/04/260420015840.htm After two centuries of failed attempts, scientists have finally grown dolomite in the lab, cracking a long-standing geological puzzle. They discovered that the mineral’s growth stalls because of tiny defects—but in nature, those flaws get washed away over time. By mimicking this process with precise simulations and electron beam pulses, the team achieved record-breaking crystal growth. The finding could reshape how high-tech materials are made. Mon, 20 Apr 2026 02:28:54 EDT https://www.sciencedaily.com/releases/2026/04/260420015840.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/2026/04/260402042807.htm A puzzling wrinkled rock formation in Morocco has led scientists to rethink where ancient microbes could live. Instead of shallow, sunlit waters, these microbes may have thrived deep in the ocean, fueled by chemicals delivered by underwater landslides. The discovery suggests that dark, nutrient-rich environments hosted thriving ecosystems much earlier than expected. It also raises the possibility that many similar fossils have been overlooked or misinterpreted. Fri, 03 Apr 2026 02:28:45 EDT https://www.sciencedaily.com/releases/2026/04/260402042807.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/2026/03/260327230113.htm A fossil ape discovered in northern Egypt is reshaping the story of human evolution. The species, Masripithecus, lived about 17 to 18 million years ago and may sit very close to the ancestor of all modern apes. This finding challenges the long-standing focus on East Africa. Instead, it points to northern Africa and nearby regions as a possible birthplace of apes. Fri, 27 Mar 2026 23:06:49 EDT https://www.sciencedaily.com/releases/2026/03/260327230113.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 https://www.sciencedaily.com/releases/2026/03/260321012642.htm A new study reveals that farming in Argentina’s Uspallata Valley was adopted by local hunter-gatherers rather than introduced by outside populations. Centuries later, a stressed group of maize-heavy farmers migrated into the region, facing climate instability, disease, and declining numbers. Despite these pressures, there’s no sign of violence—instead, families stayed connected across generations, using kinship networks to survive. The research shows how cooperation, not conflict, helped communities navigate crisis. Sat, 21 Mar 2026 23:21:09 EDT https://www.sciencedaily.com/releases/2026/03/260321012642.htm https://www.sciencedaily.com/releases/2026/03/260319005102.htm Scientists recreated a life-size oviraptor nest to understand how these dinosaurs hatched their eggs. Their experiments showed the parent likely couldn’t heat all the eggs directly, meaning sunlight played a key role. This uneven heating could cause eggs in the same nest to hatch at different times. The results suggest oviraptors used a hybrid incubation method unlike modern birds. Thu, 19 Mar 2026 00:58:27 EDT https://www.sciencedaily.com/releases/2026/03/260319005102.htm https://www.sciencedaily.com/releases/2026/03/260318033115.htm Some feathered dinosaurs may have briefly taken to the skies—only to give it up later. By studying rare fossils with preserved feathers, researchers uncovered a surprising clue hidden in molting patterns, revealing that Anchiornis likely couldn’t fly at all. Instead of the neat, symmetrical feather replacement seen in flying birds, these dinosaurs showed a messy, irregular molt—something only flightless animals exhibit. Wed, 18 Mar 2026 06:08:57 EDT https://www.sciencedaily.com/releases/2026/03/260318033115.htm https://www.sciencedaily.com/releases/2026/03/260311213457.htm Scientists have uncovered new clues about some of Earth’s earliest fish, shedding light on the ancient origins of vertebrates that eventually moved onto land. By reanalyzing mysterious fossils from Australia’s famed Gogo Formation and studying a newly reconstructed 410-million-year-old lungfish skull from China, researchers are revealing how these primitive creatures evolved. Thu, 12 Mar 2026 01:14:08 EDT https://www.sciencedaily.com/releases/2026/03/260311213457.htm https://www.sciencedaily.com/releases/2026/03/260311213444.htm Scientists at Curtin University have uncovered a new way to read the deep history of Earth’s landscapes using microscopic zircon crystals from ancient beach sands. These incredibly durable minerals trap traces of krypton gas created when cosmic rays strike them at Earth’s surface, effectively turning each crystal into a “cosmic clock.” By measuring that krypton, researchers can determine how long sediments lingered near the surface before burial, revealing how landscapes eroded, shifted, and stabilized over millions of years. Thu, 12 Mar 2026 01:53:19 EDT https://www.sciencedaily.com/releases/2026/03/260311213444.htm https://www.sciencedaily.com/releases/2026/03/260311004836.htm A long-running debate about the Silverpit Crater beneath the North Sea has finally been resolved. Scientists now confirm it formed when a roughly 160-meter asteroid struck the seabed about 43–46 million years ago. New seismic imaging and rare shocked minerals in rock samples provided the crucial proof. The impact would have sent a massive plume skyward and unleashed a tsunami over 100 meters (330 feet) high. Wed, 11 Mar 2026 01:34:49 EDT https://www.sciencedaily.com/releases/2026/03/260311004836.htm https://www.sciencedaily.com/releases/2026/03/260309225231.htm A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis reveals that these animals became tiny before developing their later specialized features, such as stubby arms and ant-eating adaptations. Weighing under two pounds, the dinosaur is one of the smallest known from South America. Tue, 10 Mar 2026 06:50:39 EDT https://www.sciencedaily.com/releases/2026/03/260309225231.htm https://www.sciencedaily.com/releases/2026/03/260307213247.htm While exploring ancient seabeds in Morocco, scientists discovered strange wrinkle-like textures in deep-water sediments that shouldn’t have been there. These structures are usually made by sunlight-loving microbial mats in shallow waters. But the rocks formed far below the reach of light, suggesting a different explanation. Evidence points to chemosynthetic microbes—organisms powered by chemical reactions—creating the mats in the dark depths of an ancient ocean. Sun, 08 Mar 2026 17:31:54 EDT https://www.sciencedaily.com/releases/2026/03/260307213247.htm https://www.sciencedaily.com/releases/2026/03/260304184226.htm Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, researchers found that the famous predator likely took about 40 years to reach its full size—around eight tons—rather than the previously estimated 25 years. Thu, 05 Mar 2026 15:10:22 EST https://www.sciencedaily.com/releases/2026/03/260304184226.htm https://www.sciencedaily.com/releases/2026/02/260227071918.htm Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints” that match compounds made by modern demosponges. After testing rocks, living sponges, and lab-made molecules, researchers confirmed the signals came from life — not geology. The discovery suggests sponges were thriving in the oceans well before most other animal groups appeared. Fri, 27 Feb 2026 09:45:38 EST https://www.sciencedaily.com/releases/2026/02/260227071918.htm https://www.sciencedaily.com/releases/2026/02/260226042502.htm Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research suggests that young dinosaurs quickly struck out on their own, forming kid-only groups and surviving without much parental help, while their massive parents lived entirely different lives. Because juveniles and adults ate different foods, faced different predators, and moved through different parts of the landscape, they may have functioned almost like separate species within the same ecosystem. Fri, 27 Feb 2026 05:08:15 EST https://www.sciencedaily.com/releases/2026/02/260226042502.htm https://www.sciencedaily.com/releases/2026/02/260225001301.htm More than 40,000 years ago, Ice Age humans were carving repeated patterns of dots, lines, and crosses into tools and small ivory figurines. A new computational study of more than 3,000 of these Paleolithic signs reveals that they were not random decorations but structured sequences with measurable complexity. Surprisingly, their information density rivals that of proto-cuneiform, the earliest known writing system that emerged around 3,000 B.C.E. Wed, 25 Feb 2026 00:52:18 EST https://www.sciencedaily.com/releases/2026/02/260225001301.htm https://www.sciencedaily.com/releases/2026/02/260224023218.htm A newly identified ichthyosaur from the UK’s Jurassic Coast is rewriting part of the prehistoric playbook. Nicknamed the “Sword Dragon of Dorset,” the three-meter-long marine reptile lived during a poorly understood window of evolution when major ichthyosaur groups were disappearing and new ones emerging. Its beautifully preserved skeleton — complete with a blade-like snout and possible last meal — helps pinpoint when this dramatic transition occurred. Tue, 24 Feb 2026 07:50:35 EST https://www.sciencedaily.com/releases/2026/02/260224023218.htm https://www.sciencedaily.com/releases/2026/02/260224023203.htm A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass extinction. Instead of a single marine amphibian species, researchers uncovered evidence of a surprisingly diverse community of early ocean predators. One of these creatures had relatives stretching from the Arctic to Madagascar, showing that some of the first sea-going tetrapods spread across the globe with remarkable speed. Wed, 25 Feb 2026 05:20:53 EST https://www.sciencedaily.com/releases/2026/02/260224023203.htm https://www.sciencedaily.com/releases/2026/02/260222092251.htm Deep in the heart of the Sahara, scientists have uncovered Spinosaurus mirabilis — a spectacular new predator crowned with a massive, scimitar-shaped crest that may once have blazed with color under the desert sun. Discovered in remote inland river deposits in Niger, the fossil rewrites what we thought we knew about spinosaur dinosaurs, suggesting they weren’t fully aquatic hunters but powerful waders stalking fish in forested waterways hundreds of miles from the sea. Mon, 23 Feb 2026 00:10:43 EST https://www.sciencedaily.com/releases/2026/02/260222092251.htm https://www.sciencedaily.com/releases/2026/02/260221000313.htm Triceratops’ massive head may have been doing more than just showing off those famous horns. Using CT scans and 3D reconstructions of fossil skulls, researchers uncovered a surprisingly complex nasal system hidden inside its enormous snout. Instead of being just a supersized nose for smelling, it likely housed intricate networks of nerves and blood vessels—and even special structures that helped regulate heat and moisture. Sun, 22 Feb 2026 07:20:15 EST https://www.sciencedaily.com/releases/2026/02/260221000313.htm https://www.sciencedaily.com/releases/2026/02/260218031601.htm A massive, centuries-long drought may have driven the extinction of the “hobbits” of Flores. Climate records preserved in cave formations show rainfall plummeted just as the small human species disappeared. At the same time, pygmy elephants they depended on declined sharply as rivers dried up. With food and water vanishing, the hobbits may have been pushed out—and into their final chapter. Thu, 19 Feb 2026 01:15:45 EST https://www.sciencedaily.com/releases/2026/02/260218031601.htm https://www.sciencedaily.com/releases/2026/02/260217005734.htm A 125-million-year-old dinosaur just rewrote what we thought we knew about prehistoric life. Scientists in China have uncovered an exceptionally preserved juvenile iguanodontian with fossilized skin so detailed that individual cells are still visible. Even more astonishing, the plant-eating dinosaur was covered in hollow, porcupine-like spikes—structures never before documented in any dinosaur. Wed, 18 Feb 2026 01:10:28 EST https://www.sciencedaily.com/releases/2026/02/260217005734.htm https://www.sciencedaily.com/releases/2026/02/260210231546.htm Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a 307-million-year-old fossil that rewrites that story: one of the earliest known land vertebrates to start eating plants. The animal, named Tyrannoroter heberti, was a stocky, football-sized creature with a skull packed with specialized teeth designed for crushing and grinding vegetation. Wed, 11 Feb 2026 03:19:21 EST https://www.sciencedaily.com/releases/2026/02/260210231546.htm https://www.sciencedaily.com/releases/2026/02/260206012221.htm Fossils from a Moroccan cave have been dated with remarkable accuracy to about 773,000 years ago, thanks to a magnetic signature locked into the surrounding sediments. The hominin remains show a blend of ancient and more modern features, placing them near a pivotal branching point in human evolution. These individuals likely represent an African population close to the last common ancestor of Homo sapiens, Neandertals, and Denisovans. Sat, 07 Feb 2026 11:58:14 EST https://www.sciencedaily.com/releases/2026/02/260206012221.htm