Paleontologists

The collection of prints, including this Iguanodon one, reportedly represents the most diverse, detailed collection of Cretaceous fossils ever discovered in Great Britain

Trove of Well-Preserved Dinosaur Footprints Unearthed Along Sussex Coast

Researchers discovered more than 85 fossilized footprints left by at least seven prehistoric species

The researchers are quick to point out that their findings don't suggest a link between brain size or shape and behavior, but instead offer an exploration of the genetic evolution of modern brains

Neanderthal Genes Influence Contemporary Humans’ Skull Shape, Brain Size

Individuals carrying these ancient ancestors' DNA are more likely to have slightly elongated, rather than rounded, brains

Although the asteroid strike that created Chicxulub crater in modern-day Mexico dramatically affected life on Earth, the fiery crash isn't the whole story of the fate of the dinosaurs.

We Still Don’t Know Why the Reign of the Dinosaurs Ended

The asteroid strike on the Yucatán Peninsula 66 million years ago is only part of the story

Ichthyosaurs (Greek for "fish lizard") were large marine reptiles that lived alongside the dinosaurs during most of the Mesozoic era.

Like Whales and Dolphins, Prehistoric 'Fish Lizards' Kept Warm With Blubber

A new analysis of a pristine ichthyosaur fossil reveals that the prehistoric marine reptile had a layer of insulating fatty tissue

Early Mammals Were Thought to Be Small and Unseen in the Age of Dinosaurs. An Elephant-Sized Fossil Complicates That Story

At a time when proto-mammals and other creatures were getting smaller, this dicynodont bulked up with the thunder lizards

The marsupial lion (Thylacoleo carnifex) stalked Australian forests tens of thousands of years ago.

How a Changing Climate May Have Killed Off the Marsupial Lion

The fearsome predator, related to koalas and wombats, ruled the wilds of Australia until the loss of its habitat helped drive it to extinction

Artist's rendition of Mirarce eatoni.

This Dino-Era Bird Was as Advanced as Modern Species. So Why Did It Disappear?

An enantiornithine fossil found in the western U.S. sat in storage for 25 years before it was officially described

The Science and Cell teams sequenced a total of 64 ancient human genomes

This Week Has Offered a Slew of Insights on the Western Hemisphere’s First Humans

Studies reveal rapid yet uneven movement south in at least three migratory waves, complicating story of the Americas' settlement

Ancient Ape Was Just the Size of a House Cat

12.5 million-year-old teeth found in Kenya belonged to a species that ate leaves, but was likely outcompeted by an explosion of monkeys

Assortment of bird eggs and a fossil theropod egg

Dinosaurs May Have Given Birds Their Colorful, Speckled Eggs

A new analysis of fossilized eggshells suggests diversely patterned eggs evolved much earlier than previously believed

The 28 footprints capture an early reptile-like creature's unusual diagonal gait

The Grand Canyon’s Oldest Footprints Are 310 Million Years Old

Researcher Stephen Rowland says the creature that left the tracks was "doing a funny little side-walking step, line-dance kind of thing"

This Little Fish Was Nomming on Flesh 150 Million Years Ago

The Jurassic-era species found in southern Germany had jaws and teeth like a piranha and likely nipped off the fins of other fish

A Case of Mistaken Sea Monster Identity

Re-analysis of Kansas fossils show they come from a newborn Tylosaurus, which were born without their tell-tale toothy snouts

The Diplodocus dinosaurs were some of the largest to walk the planet.

Tiny Skull Illuminates the Lives of Giant Dinosaurs

The skull of a juvenile <i>Diplodocus</i> is one of the youngest of these dinosaurs ever found

Dynamoterror was about 30 feet long, hunting prey during the Late Cretaceous.

Newly Discovered Tyrant Dinosaur Stalked Ancient New Mexico

The <i>Dynamoterror</i>, a relative of <i>Tyrannosaurs rex</i>, lived millions of years before other known species of tyrannosaur

New Fossil Dubbed 'Giant Thunderclap at Dawn' Shows How Big Dinos Went From Two Legs to Four

A new species discovered in South Africa shows how dinosaurs went from bipedal beasts to four-legged giants like brontosaurus

Researchers first discovered Dickinsonia fossils back in 1946.

The World's Earliest Known Animal May Have Been a Blob-Like Undersea Creature

Traces of fat found on a 558-million-year-old fossil suggest <em>Dickinsonia</em> was an animal rather than fungus, plant or single-celled protozoa

Two-horned Diceratherium rhinos

When Rhinos Once Roamed in Washington State

Road-tripping through prehistoric times on the West Coast

Caelestiventus hanseni.

Rare Desert Pterosaur Fossil Discovered in Utah

The rare Triassic fossil is the most complete early pterosaur ever found, and gives new insight into the evolution of the first flying vertebrates

An artist's rendering of the Lingwu Amazing Dragon

‘Amazing Dragon’ Fossils Unearthed in China Rewrite Story of Long-Necked Dinosaurs

The dino family emerged 15 million years earlier than previously thought

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