Paleontology

A clutch of titanosaur eggs

Can Eggshells Crack the Case of Whether Dinosaurs Ran Hot or Cold?

Dinosaurs may not be cold or warm blooded, but somewhere in between

A fuzzy Tyrannosaurus roars across the Utah desert at Moab Giants.

New Dinosaur Museum Tracks the “Terrible Lizards” Through Time

The Moab Giants museum in eastern Utah makes a roaring debut

How the Giraffe Got Its Long Neck: It Happened in Spurts

New fossils resolve this lengthy debate

The team had a single day to uncover the massive mammoth's skeleton.

Michigan Farmer Stumbles on a Mammoth Skeleton

Paleontologists excavated the skeleton, prying the bones from the dark muck of the field

Early Australians May Have Lived With Giant Lizards

Researchers discover early Australians shared the continent with enormous lizards

New Fossil Discovery May Change What We Know About Human Evolution

The ancient species Homo naledi had small brains and seems to have intentionally carried their dead into caves

In Some Ways, Human Hands Are More Primitive Than Chimp Hands

Study suggests our common ancestor had humanlike hands

Mosasaur

14 Fun Facts About the Animals of "Jurassic World"

While the lead predator of the film might be a genetically modified fiction, these real fossil species were just as amazing and bizarre

Unearthed at the Cova Negra site in Spain, skull fragments from a Neanderthal child have telltale punctures in the right parietal region.

Ancient Carnivores Had a Taste for Neanderthal Meat

Researchers link bite marks on a Neanderthal skull to the fangs of an ancient big cat

Scientists Clash Over Stegosaurus Sexing

A new paper is causing controversy with claims that dinosaurs’ sex can be determined by their bones

Welcome back, Brontosaurus?

Back to Brontosaurus? The Dinosaur Might Deserve Its Own Genus After All

The popular name could be pulled back out of the scientific wastebasket, based on new analysis of dozens of related dinosaurs

A model of Metoposaurus algarvensis

Hundreds of Car-Sized Fossil Amphibians Found in a Mass Grave

The huge creature is related to modern-day newts, salamanders and frogs

An artist's rendering of what the Aegirocassis benmoulae looked like.

Scary Lobster-Like Fossil Was Once One of the Earth's Largest Animals

One of the earliest arthropods was giant, weird-looking—and played a big role in the course of evolutionary history

Divers Discover Graveyard Filled With Giant Lemur Skeletons

A Madagascar cave is packed with the bones of extinct species

A diverse array of trilobites ruled the seas for almost 300 million years, until they vanished at the end of the Permian period.

Vinegar-Like Acid Rain May Have Fallen During Earth’s Worst Extinction

Vanilla-flavored rocks hint at a planet scoured by intense acid rain during the Great Dying 252 million years ago

Scientists found deliberate scratching on a fossil Pseudodon, likely an engraving made by Homo erectus at Trinil in Indonesia.

Zigzags on a Shell From Java Are the Oldest Human Engravings

The early human <em>Homo erectus</em> also made the oldest known shell tools half a million years ago

Paleontologist Jack Horner served as scientific adviser on all of the  films and is believed to have inspired the character of Dr. Alan Grant. Here, Horner in 1998.

The Scientist Behind "Jurassic World", Jack Horner, Breaks Down the Movie's Thrilling Trailer

We spoke with the paleontologist, who was an adviser on the <em>Jurassic Park</em> movies, about the science behind the franchise

An artists' rendition of a different species of Pentaceratops alongside a modern white rhinoceros for scale

Reexamining Fossils Revealed a New Dinosaur Species

A distinct species of Pentaceratops was hiding in a museum's fossil collection

Prehistoric cave painting of a steppe bison from Altamira, Spain

Researchers Are Examining a 9,000-Year-Old Bison Mummy

The well-mummified specimen of a steppe bison, a now-extinct species that lived in the Ice Age, has intact organs

Ten-year-old Noah Cordle visited the National Museum of Natural History on November 3 to donate a Clovis point he found in New Jersey. He and his parents (right) met with the museum's Dennis Stanford (left).

This Fifth Grader Found a 14,000-Year-Old Clovis Point, Likely Unearthed From Hurricane Sandy

Noah Cordle was boogie boarding in New Jersey when he came upon an ancient hunting tool

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