Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Paleontologists

New research suggests a large crocodile-like creature attacked a "terror bird" 12 million years ago.

Even Apex Predators Like ‘Terror Birds’ Had Enemies, Research Suggests

Bite marks on a fossilized leg bone found in South America suggest a crocodile-like creature attacked a massive, meat-eating bird 12 million years ago

Reconstruction and illustration of Mirasaura in its natural forested environment, hunting insects

This Surprising Ancient Reptile Had a Colorful, Corrugated Sail on Its Back. New Research Suggests It Was Used to Communicate

A 247-million-year-old fossil from a German natural history museum reveals the secrets of Mirasaura

A variety of tyrannosaurs roamed the planet before T. rex evolved.

Meet Ten Tyrannosaurs That Came Before T. Rex, From Small, Feathery Creatures to 30-Foot-Long Bone-Crushers

Everyone knows the famous tyrant lizard king, but its relatives amaze, too

An artist's reconstruction of the giant ichthyosaur Temnodontosaurus (left), featured in the study, and researchers examining part of the creature's flipper at Sweden's Lund University (right).

Fossil Flipper Reveals Ichthyosaurs Hunted in Lethal Silence With Unique Adaptations for Stealth

An analysis of a roughly 180-million-year-old fossil fin reveals serrations and flexibility that might have served to dampen sound as the predator swam

Researchers found scrape marks on a slope at Dinosaur Ridge, a fossil-rich site west of Denver.

Dinosaurs Gathered to Perform Mating Dances With Kicks and Spins at This Site in Colorado—and You Can Go See It for Yourself

Paleontologists have discovered what appears to be one of the largest dinosaur courtship arenas in the world, just 15 miles west of Denver

Scientists sequenced ancient proteins in a tooth from a prehistoric rhino relative that had been preserved in Canada's High Arctic for up to 24 million years.

Scientists Recover Ancient Proteins From Animal Teeth Up to 24 Million Years Old, Opening Doors to Learning About the Past

Two new papers analyze fossils found in Canada and Kenya, respectively—vastly different environments for the preservation of genetic material

A replica of the T. rex skeleton known as Scotty is on display at the T. rex Discovery Center in Eastend, Canada, which is part of the Royal Saskatchewan Museum.

Preserved Blood Vessels Discovered in a Rib Bone From the World’s Largest T. Rex Could Shed Light on How Dinosaurs Healed

Scotty, a specimen unearthed in Canada, was probably injured in a fight, then died several months later

Likely in the 1930s, someone split a flat fossil slab in half, leaving the skeleton on one side and the skeleton's outline on the other.

A Paleontologist Matched Two Halves of the Same Fossil Stored at Different Museums—and Discovered a New Species

Meet Sphenodraco scandentis, a tree-dwelling, lizard-like reptile that roamed around with the dinosaurs during the Late Jurassic period roughly 145 million years ago

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants.

Giant Sloths and Many Other Massive Creatures Were Once Common on Our Planet. With Environmental Changes, Such Giants Could Thrive Again

If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the rise of other giants

Scientists found a partial dinosaur vertebra inside a geological core sample that measures just 2.5 inches in diameter.

‘Nothing Short of Magical’: Scientists Discover a Dinosaur Bone Nearly 800 Feet Beneath a Parking Lot at a Denver Museum

The partial vertebra appeared inside a 2.5-inch-diameter column of rock that researchers drilled, earning the title of the oldest and deepest dinosaur fossil found in Denver

Fossilized remains of the giant beaver have been discovered in Minneapolis and Saint Paul, as well as in southern Minnesota.

Bear-Sized Giant Beavers Once Roamed North America, and They’re Now the Official State Fossil of Minnesota

The large, extinct creatures roamed the Twin Cities area more than 10,000 years ago and could grow to more than 200 pounds

An artist’s reconstruction of the fossilized landscape, plants and animals found preserved in a remote bonebed of Arizona’s Petrified Forest National Park

A Bone Bed From the Dawn of the Dinosaurs Has Revealed the Oldest Known Pterosaur Found in North America

Fossil surprises abound in new research that unearths the history of the Triassic Period

E. mollyborthwickae is now on display at London's Natural History Museum.

‘Enigmatic’ Dog-Sized Dinosaur Reveals a New Species That Scampered Around Jurassic North America

The speedy, plant-eating creature lived in what is now Colorado roughly 150 million years ago, and its skeleton went on display in London this week

Darla Zelenitsky (right) and Jared Voris (left) were part of the team that identified and named Khankhuuluu based on fossils found in Mongolia during the 1970s.

These ‘Dragon Prince’ Fossils Spent Decades in Museum Drawers. Now, They Could Rewrite the T. Rex Family Tree

Two partial skeletons housed in a Mongolia museum were reexamined by researchers and found to represent a previously unknown species

In this artist's impression of Diamantinasaurus matildae, the animal feeds from a conifer tree.

First Fossil Evidence That Sauropods Were Herbivores Supports a Widespread Assumption About the Long-Necked Dinosaurs

A recent discovery of a dinosaur’s preserved gut contents offers the first direct proof that sauropods were plant-eaters

Studying foraminiferan fossils can help us understand how the climate may change in the future.

These Tiny, Beautiful Fossils Detail the History of the Ocean

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past

This skull of a 1.8-million-year-old Paranthropus robustus individual was unearthed in South Africa, but it was not one of the fossils included in the study.

Scientists Investigate 2.2-Million-Year-Old Tooth Enamel to Unravel the Mysteries of Ancient Human Relatives

By studying proteins preserved in teeth, researchers determined the sex of four Paranthropus robustus individuals that lived in southern Africa

Amateur fossil hunters discovered a trackway left by a creature that might have looked like the one in this illustration. The finding raises new questions about the evolution of the earliest reptiles.

Fossil Hunters Discover Earliest Known Footprints of a Reptile-Like Creature, Pushing Back the Timeline of Their Evolution

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes reptiles, birds and mammals

The Chicago Archaeopteryx, seen under UV light, shows soft tissues alongside the skeleton.

The Famous, Feathered Dinosaur Archaeopteryx Could Fly, Suggests New Study of a ‘Beautifully Preserved’ Fossil

The Chicago Archaeopteryx features more soft tissue and delicate skeletal details than any known fossil of its kind, and paleontologists discovered it has a set of feathers key to flight in modern birds

Argentine black and white tegus (Salvator merianae) were brought to the United States in the 1990s by exotic pet traders. They've since proliferated in the wild and been deemed an invasive species.

Mysterious Fossil Found in Museum Storage Turned Out to Be a New, Extinct Lizard Species

Today, tegus are considered invasive creatures in Florida, but a new paper suggests they’ve lived in the southeastern United States at least once before—millions of years ago

Page 3 of 27