Dinosaurs

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?

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

New Research

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 Field Museum's famed T-Rex Sue may be long dead, but she still requires a lot of TLC.

Preserve and Protect: How Paleontologists Care for Their Long-Dead, High-Maintenance Stars

Fossil collections are where the science of paleontology truly lives. Valuable dino bones must be treated accordingly

The well-known dinosaur skeleton known as "Big Mama" has been hiding a secret.

New Research

Fossilized Dinos Are Bones Turned to Stone—But Sometimes, Part of the Original Dino Survives

Every fossilized skeleton is a unique snowflake. We now know that some contain biological bits of tooth and claw

Prehistoric Kickboxing Killer Turkeys

Unlike Jurassic Park's lizard-like creatures, real raptors had feathers and looked a lot more like their closest relatives -- birds

Stegosaurus and Ceratosaurus are among one of the most successful groups ever to have evolved.

Celebrate Dino Month With Three New Dinosaur Books

From PhDs to 4th graders, something for everyone

Computer image of Triopticus skull overlaid on the field site where it was found.

Paleontologists Probe the Bonehead that Foreshadowed Domed Dinos

This striking skull shape evolved at least twice. But what was its purpose?

In an artist's interpretation, the forested and warm Late Cretaceous is abruptly destroyed by a six-mile wide asteroid.

Life Bounced Back After the Dinosaurs Perished

The devastation was immediate, catastrophic and widespread, but plants and mammals were quick to take over

This toy diplodocus fetches up to $600 on eBay.

This Man Claims He Has the World’s Largest Collection of Toy Dinosaurs, and He Loves Them All

Randy Knol's stunning array chronicles our evolving knowledge about the prehistoric beasts

An artist's rendering of Chicxulub, the asteroid believed to have wiped out large dinosaurs and reshaped parts of the world.

Journey to the Center of Earth

What Happened in the Seconds, Hours, Weeks After the Dino-Killing Asteroid Hit Earth?

The Cretaceous forecast: Tsunamis, a deadly heat pulse, and massive cooling.

Paleontologist Paul Olsen of Lamont-Doherty Earth Observatory is co-leading a project in Arizona's Petrified Forest National Park to drill deep into rocks dating back more than 200 million years.

Journey to the Center of Earth

Defying Critics, Paleontologist Paul Olsen Looks for Hidden Answers Behind Mass Extinctions

From a childhood spent discovering fossils to tangling over questions of ancient life and death, this scientist constantly pushes the boundaries.

Illustration of Gualicho shinyae hunting with its jaws, not arms.

Arm Day at the Gym Apparently Not a Thing for Newly Found, Tiny-Armed Dino

Turns out <i>T. rex</i> doesn’t have a copyright on those adorably awkward, itty-bitty arms

Portrait of paleontologist Mary Anning and her trusty assistant, Tray.

These Paleo Pets Made Fossil Hunting Less Lonely

In the solitary hunt for bones, furry companions provide company, act as field assistants and sometimes even make the ultimate sacrifice

You'll never guess how researchers found this fossil of the petite terrestrial crocodile Hoplosuchus kayi.

These Are Some of the Weirdest Ways Paleontologists Find Fossils

Sometimes you pee on them, sometimes you’re just trying to get away from other paleontologists. Here are the discovery stories scientists won’t tell you

Pie chart showing the number of times ankylosaur fought a particular foe.

Sadly, “Ankylosaur Fight Club” Is Probably Wishful Thinking

Ornate armor may have had more to do with communication than combat

An artists' rendering of Machairoceratops cronusi, or "bent sword face." Machairoceratops was found in 77-million-year-old rock in southern Utah.

Two New Discoveries Add to a Horned Dino Revolution

Twenty years ago, there were about 23 horned dinosaurs. Today, the count has more than tripled

The grand hall of the Yale Peabody Museum of Natural History in New Haven, Connecticut—the wellspring of some the most distinguished scholarship of our times.

The Scientific Daredevils Who Made Yale's Peabody Museum a National Treasure

When an award-winning science writer dug into the backstory of this New Haven institute, he found a world of scientific derring-do

A reconstruction of the horse-sized tyrannosaur Timurlengia euotica, named for the charismatic Central Asian ruler Tamerlane, shows the species' long, slender legs, large head and teeth built sharp like a steak knife.

The Discovery of a Tiny Tyrannosaur Adds New Insight Into the Origins of T. Rex

The horse-sized dino species had smarts and a keen sense of smell, setting the stage for the evolution of the enormous predator

"Baby Louie," formerly of the Indianapolis Children's Museum, is now back home, at the Henan Geological Museum.

Big Baby Dinosaur Finally Goes Home

An infant oviraptorosaur smuggled out of China decades ago comes back to Henan Province with new stories to tell

A Bolivian farmer stands next to dinosaur footprints. Bolivia is home to thousands of dinosaur tracks.

Where Dinosaurs Walked: Eight of the Best Places to See Prehistoric Footprints

Step in the footprints of giants on "dinosaur highways"

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