Paleontologists

A reconstruction of Lokiceratops in the 78-million-year-old swamps of northern Montana—as two Probrachylophosaurus move past in the background.

Why Did Dinosaurs Have Horns? It May Not Have Been Simply for Defense

Triceratops and its relatives may have evolved the structures for fighting, impressing mates, and more

An artist's rendition of the prehistoric sea cow's death.

Fossils Capturing a Sea Cow's Violent End Shed Light on Prehistoric Food Chains

New research suggests the dugong-like sea creature was attacked by a crocodile, then its remains were scavenged by a tiger shark—a rare series of events to be immortalized in the fossil record

Columbian mammoths were larger and less hairy than woolly mammoths.

20,000-Year-Old Columbian Mammoth Bones Discovered in Texas

While fishing at an undisclosed lake, Sabrina Solomon slipped and fell—and came face to face with the remains

A model of the Smilodon fatalis skeleton (right) on display as part of a special exhibition in Schöningen, Germany, on April 12, 2017

‘Fearsome’ Saber-Toothed Cats Needed Their Baby Teeth and Mommies, Too

According to new research, two sets of sabers and unusual lower jaw anatomy show that the saber-toothed cat Smilodon fatalis delayed adulting with a long weaning period

Archaeologists discovered stone tools at the site, though they dated to a few thousand years after the mastodon’s death. 

13,600-Year-Old Mastodon Skull Uncovered in Iowa

The hulking creature may have overlapped with Indigenous people

PaleoScan operates at Plácido Cidade Nuvens Museum of Paleontology (known by the Portuguese abbreviation MPPCN) in Brazil. For a typical procedure, multiple fossils are placed together on the calibration board to be scanned simultaneously.

This Innovative Device Allows South American Paleontologists to Share Fossils With the World

PaleoScan offers scientists at far-flung institutions a less expensive way to digitize their collections and preserve at-risk specimens of fish, turtles, pterosaurs and more

An artist's impression of the shrew-like Krusatodon kirtlingtonensis, which a new study suggests lived long and matured slowly, in contrast to modern small mammals.

Two Rare Jurassic Skulls Could Help Unlock the Secrets of Mammals' Evolutionary Success

Fossils reveal a prehistoric, mouse-like creature matured slower and lived longer than similar mammals of today

Rainforests, like this one in Ecuador, only appeared after the mass extinction that ended the Age of Dinosaurs.

No, Dinosaurs Did Not Trudge Through Thick Rainforests

The first jungles dense with flowering plants only formed after an asteroid impact wiped out the giant creatures

Prior to the auction, "Apex" was on exhibition at Sotheby’s galleries in New York.

Enormous Stegosaurus Skeleton Called 'Apex' Smashes Auction Records and Sells for $44.6 Million

The 150-million-year-old dinosaur became the most expensive fossil ever sold at auction, raising old questions about whether such specimens should be put up for sale

Asteroid impacts and volcanism have led to mass extinctions on our planet.

Has Life on Earth Survived More Than Five Mass Extinctions?

Scientists aren’t just arguing whether humans are causing a sixth mass extinction event now, but whether many more occurred in the past

The grape family had a complex, tumultuous history of extinction and dispersal in Central and South America.

Did the Extinction of the Dinosaurs Pave the Way for Grapes?

Newly discovered fossils in South America hint at the evolution and proliferation of grapes around the world

An artist’s rendering of the creature called Gaiasia jennyae

Before the Dinosaurs, This Massive Salamander-Like Predator Ruled Earth’s Swamps

Fossils unearthed in present-day Namibia tell an intriguing story of tetrapod evolution

An artist's portrayal of Lokiceratops rangiformis, which lived in the swamps of western North America about 78 million years ago.

Dinosaur With Giant, Loki-Like Horns Has the 'Craziest, Coolest' Headgear—and Could Be a New Species

The discovery sheds light on the evolution of a surprisingly diverse group of horned dinosaurs in the western United States

Newly examined fossils suggest monotremes—egg-laying mammals—were once much more abundant in Australia than they are today.

Meet the 'Echidnapus,' an Extinct Creature That Resembles Both the Echidna and Platypus of Today

The species is among three newly identified monotremes, or egg-laying mammals, discovered from fossils in Australia that are shedding light on the odd animals' evolution

This fossilized Buronius tooth is roughly a third of an inch long.

Do These Fossilized Teeth Belong to the World’s Smallest Great Ape?

Researchers say two teeth and a kneecap belong to a previously unknown species that lived in what is now Germany

A pterosaur cranium fossil is among the donated artifacts that will be on display and studied behind the scenes when the museum reopens in 2026.

More Than 1,000 Fossils, Including Rare Dinosaurs, Gifted to Brazil's National Museum Following Fire

The massive donation was made by Burkhard Pohl, a Swiss-German collector, as the museum works to replenish its collections after a devastating blaze in September 2018

Exceeding 50 feet in length, Mosasaurus hoffmannii was among the largest mosasaurs.

Massive Mosasaurs May Have Evolved More Than Once

The predators, which were made famous in the “Jurassic World” franchise, likely arose at least three times

Scientists are at odds about how intelligent T. rex was.

How Intelligent Was T. Rex? Scientists Suggest the Dinosaurs Were Like 'Smart, Giant Crocodiles'

A new paper refutes the idea that T. rex was as brainy as a baboon, furthering the debate on the extinct reptile's intellect

An artist's illustration of two Ptychodus sharks eating sea turtles and ammonites in open water.

Paleontologists Unravel Secrets of 'Enigmatic' 33-Foot Prehistoric Shark After Fossil Discovery

Scientists didn't know much about Ptychodus, an ancient shark genus, because its remains were usually just fragments. Now, complete fossils reveal its body shape and hunting habits

An anonymous dentist recognized the jawbone, because it looked similar to the CT scans he reviews every day at work.

Dentist Discovers Human-Like Jawbone and Teeth in a Floor Tile at His Parents' Home

Scientists are planning to study the specimen, embedded in travertine from western Turkey, in hopes of dating and identifying it

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