Paleontologists

The newly discovered Opisthiamimus gregori preys on a now-extinct water bug.

Scientists Discover Bug-Eating Reptile That Lived Among Dinosaurs

Delicate fossil reveals a cousin of the modern tuatara

A Haast's eagle hunts moa.

How a Giant Eagle Once Came to Dominate New Zealand

Before the formidable bird went extinct, scientists say it likely hunted the flightless moa

Scientists scanned a fossil of the Jurassic cephalopod Vampyronassa, pictured here, and found clues that it was an active hunter.

What New Tech Is Revealing About Squishy, Prehistoric Cephalopods

Researchers have adopted innovative means, from cutting-edge scans to swimming robots, to reveal more about how the creatures lived

Mastodon skeletons stand on display at the University of Michigan Museum of Natural History in Ann Arbor.

Cool Finds

Construction Crews Stumble Upon Mastodon Skeleton in Michigan

The massive animal was likely between 10 and 20 years old when it died roughly 12,000 years ago

An illustration of A. nikolovi 

Cool Finds

These Extinct Pandas Once Roamed Bulgaria

The bears are a close relative of today's giant pandas and likely ate soft plant materials, not bamboo

A Tyrannosaurus rex skeleton named STAN is one of the most complete specimens ever found.

Study Refutes Controversial Research That Divided the T. Rex Into Three Species

Scientists published a rebuttal article that found “insufficient evidence for multiple species of Tyrannosaurus”

Qikiqtania wakei (top) was more suited to swimming than its larger cousin Tiktaalik (bottom).

After Fish Developed Limbs, Some Might Have Returned to Swimming

Scientists think a recently discovered fossil is evidence that evolution is more like a branching tree than a ladder

Researcher David Webster of the University of North Carolina Wilmington prepares the bones of an Atlantic gray whale for transfer to the National Museum of Natural History.

Scientists Find Most Complete Atlantic Gray Whale Skeleton Ever

The fossil, uncovered in North Carolina, shows signs of butchering

The trunk, ears and tail of this baby woolly mammoth, named Nun cho ga, are almost perfectly preserved.

Cool Finds

Well-Preserved, 30,000-Year-Old Baby Woolly Mammoth Emerges From Yukon Permafrost

The mummified creature is helping to heal the rift between the Tr'ondëk Hwëch'in people and the miners and scientists who came to their lands

A Gorgosaurus skeleton measuring 10 feet tall is unveiled at Sothebys in New York, on July 05, 2022.

A Gorgosaurus Skeleton Will Be Privately Auctioned Off for the First Time

The specimen is expected to sell for $5 million to $8 million

Meraxes had a large skull and short arms, in the same proportions as Tarbosaurus, a relative of T. rex.

Paleontologists Uncover New Dinosaur With Tiny Arms Like T. Rex

The predator is among the most complete of its kind ever found

An 1897 painting by Charles R. Knight depicting two dinosaurs called “Laelaps” in an energetic fight, suggesting they may have been warm-blooded.

Paleontologists Are Still Puzzling Over Why Dinosaurs Ran Hot

New evidence reveals details about the physiology of animals that have been extinct for over 66 million years

A skeleton of the giant Triassic ichthyosaur Shonisaurus popularis hangs in the Nevada State Museum.

Whale-Sized Marine Reptiles Once Ruled the Seas

Paleontologists are beginning to learn how and why ichthyosaurs evolved into giants

Paleontologists are just beginning to uncover the evolutionary backstory of armored dinosaurs like the ankylosaur Euoplocephalus.

New Fossil Finds Track When Armored Dinosaurs Spread Around the World

Discoveries in Asia and Africa are rewriting the backstory of dinosaurs like <em>Stegosaurus</em>

Thanatosdrakon amaru&nbsp;flew around the planet for 20 million years before the Cretaceous-Paleogene extinction event wiped out the dinosaurs.

Paleontologists Find Biggest Pterosaur Species Ever Unearthed in South America

The ancient fossils with wingspans the size of school buses are estimated to be 86 million years old

An&nbsp;Edmontosaurus&nbsp;herd grazes in a forest.

The Last Day of a Doomed Dinosaur

The young, eighteen-foot-long Edmontosaurus had no idea about his fate as he grazed in a forest

A Spinosaurs hunts a Onchopristis underwater. Dense bones helped the predator swim at depth.

Heavy Bones Helped Some Spinosaurs Swim

The crock-snouted dinosaurs were just as capable in the water as on land

A fossil of a Diegoaelurus jawbone was recovered from a construction site in Oceanside, California.

Paleontologists Uncover the Oldest Sabertoothed Predator

Fossil jaw shows earliest evidence of a specialized carnivore with scimitar-shaped fangs

Reconstruction of debris surging into the Tanis River as impact spherules rain down from the sky. A dinosaur tries to get away from the disaster.

Asteroid That Decimated the Dinosaurs Struck in Spring

Clues from fossil fish help scientists pinpoint the season when Earth’s fifth mass extinction began

Nick Pyenson, the Smithsonian Institution&rsquo;s curator of fossil marine mammals, compares the skeletons of ancient whales to the life-sized model of a North Atlantic right whale displayed at the National Museum of Natural History in Washington, DC. Whales have been evolving for more than 50 million years, and long before becoming ocean-dwelling giants, the earliest cetaceans walked on land.&nbsp;

This Cliff Face Is Packed With Fossilized Whale Remains

An exposed prehistoric seafloor is a hotspot for relics, and now an international team is helping unravel their mysteries

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