Paleontology

Computer modeling of the stress on a T. rex skeleton showed that the dinosaur couldn't handle running

The Fierce T. Rex Was a Walker Not a Sprinter

A good pair of running shoes could help you escape the formidable beast, study finds

Clayton Phipps looks over the massive ceratopsian fossil. The ancient creature’s rib cage is on the left and the pelvis on the right.

Will the Public Ever Get to See the "Dueling Dinosaurs"?

America’s most spectacular fossil, found by a plucky Montana rancher, is locked up in a secret storage room. Why?

This 115-Million-Year-Old Mushroom Is the Oldest Fossilized Fungus

Preserved against all odds, the tiny mushroom sprung up when dinosaurs still ruled the lands

This coprolite specimen, dubbed "Precious," is the largest fossilized feces found to date. Found in South Carolina, it weighs just over four pounds.

Researchers Use Particle Accelerator to Peek Inside Fossilized Poop

This new method could reveal just what dinosaurs and other prehistoric creatures ate

Fossilized skin from the neck of a Tyrannosaurus rex.

T. Rex Was Likely Covered in Scales, Not Feathers

The research dispels theories that the fearsome dino boasted a feathery plume

Spectacularly Detailed Armored Dinosaur 'Mummy' Makes Its Debut

A nodosaur found in Alberta includes some of the best preserved dino skin and armor ever found

Illustration of Mystacodon selenensis

This 36-Million-Year-Old Fossil Is a "Missing Link" in Whale Evolution

Discovered in Peru, the new fossil has tiny remnants of hind limbs

The ammonite that left the mark

Ancient Creature Left a 28-Foot Drag Mark After It Died

An ammonite found in a German quarry left its mark on its lagoon home

An illustration of the spiky new dinosaur Zuul.

Introducing 'Zuul,' an Ankylosaur That Could Really Make Your Ankles Sore

A finely preserved fossil sheds new light on the curious tail of armored dinos

The surface of mastodon bone showing half impact notch on a segment of femur.

Remarkable New Evidence for Human Activity in North America 130,000 Years Ago

Researchers say prehistoric mastodon bones bear human-made markings

The Tsavo lions' teeth bore marks indicating that they ate soft food, similar to those seen on the teeth of captive lions today. Wild lions, like these pictured in South Africa's Greater Kruger National Park, show different microwear patterns.

Man-Eating Lions of Tsavo Did Indeed Eat People, Teeth Reveal

Dental clues confirm some rumors about the ravenous cats of Tsavo, while also raising new questions

An artist's rendering of the new species Teleocrater rhadinus hunting a cynodont, a close relative of mammals.

Before There Were Dinosaurs, There Was This Weird Crocodile-Looking Thing

A new analysis of an ancient enigma offers clues as to how dino evolution unfolded

The tick discovered preserved in amber

30-Million-Year-Old Tick Full of Monkey Blood Found in Ancient Amber

Scientists think the tick was plucked from a primate before being dropped in a puddle of sticky tree resin

Bird-like versus lizard-like hips define the two major categories of dinosaurs

New Study Restructures the Dinosaur Family Tree

Detailed analysis of dino fossils suggests that <i>Tyrannosaurus</i> and its relatives may be on the wrong side of the tree

How did the sabertooth cat wield its excess of tooth?

How Did Sabercats Use Those Outlandish Fangs?

We’ve barely scratched the surface of how this charismatic cat utilized its dental cutlery

The best defense is a good offense.

The Real Reason the Turtle Learned to Hide its Head Will Surprise You

Turtles retract their heads for protection, but new research suggests that ability evolved for an entirely different reason

An artist's rendition of Dinocephalosaurus carrying her baby through the ancient ocean.

This Ancient Reptile Gave Birth to Live Offspring

Rather than laying eggs like its modern bird and croc relatives this creature gave birth to live babies

Mary Leakey and her husband Louis in 1962.

Mary Leakey’s Husband (Sort of) Took Credit For Her Groundbreaking Work On Humanity’s Origins

Leakey and her husband, Louis Leakey, were a paleoanthropology power couple

It may not be pretty, but meat eating has been a critical factor in creating the fossil record.

Why Paleontologists Should Love Meat-Eaters

… Particularly the ones that feasted on human flesh. Thanks, guys!

Illustration of the hyolith Haplophrentis

Tiny Cone-Shaped Creature Gets a Twig on the Tree of Life

Hyoliths have confused scientists for 175 years, but researchers have finally worked out a few of their close relatives

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