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Dinosaurs

Tyler Lyson at the site for the Hadrosaur femur

The Ultimate Summer Camp Activity: Digging for Dinosaurs

Meet the intrepid teenagers and teenagers-at-heart who swelter in the heat hunting for fossils

Inostrancevia, devouring a Pareiasaurus, Alexei Petrovich Bystrow, 1933

Cool Finds

Two Centuries of Dinosaur Art Come Alive in This Gorgeous New Book

Paleoart traces historic depictions of T. rex, mastodons and other ancient creatures through an artistic lens

Cool Finds

Colorado Construction Crew Unearths 66-Million-Year-Old Triceratops Fossil

While Thornton’s new Public Safety Facility, the crew happened upon a rare find

Discussion

Feedback from our readers

Maiopatagium furculiferum fossil found in China

New Research

Exceptional Fossils Show Ancient Winged Mammals May Have Glided Above the Dinosaurs

The discovery of two flying squirrel-like fossils suggest mammal diversity began earlier than previously thought

An artist's illustration of Patagotitan mayorum, the latest and possibly most gargantuan in a series of recent giant dino finds.

New Research

Did Scientists Just Unveil the Biggest Dinosaur of All Time?

The jury’s still out—but if you can get over the size contest, far more fascinating patterns about these giants emerge

The well-preserved nodosaur fossil

New Research

Was the “Sleeping Dragon” Dinosaur a Red Head?

A new study suggests the perfectly preserved armored nodosaur camoflauged itself against marauding meat-eaters

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

New Research

What Is the Key to Predict Animal Speed?

The biggest animals aren’t always the fastest

A horseshoe crab.

Future of Conservation

Forget Dinos: Horseshoe Crabs Are Stranger, More Ancient—And Still Alive Today

But now evolution’s ultimate survivors may be in danger

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 mass of ocean fossils was found in Montana, which used to be covered by a gigantic body of water.

Cool Finds

Scientists Are Putting Tens of Thousands of Sea Fossils Online

The Western Interior Seaway is gone, but not forgotten

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

New Research

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.

New Research

T. Rex Was Likely Covered in Scales, Not Feathers

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

Tree resin trapped this baby bird 99 million years ago.

New Research

This 99-Million-Year-Old Bird Coexisted With Dinosaurs

The tiny bird is a big find for paleontologists

Canada

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

What Baby Louie's parents may have looked like

New Research

Infant Dinosaur Found Still Encased in Its Egg Identified as New Species

Research suggests that the embryo belongs to the cassowary-like oviraptorosaurs

An illustration of the spiky new dinosaur Zuul.

New Research

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

None

Rediscovering Spinosaurus, the Lost Dinosaur

The apex predator is back on the paleontological map thanks to a mustachioed Bedouin hunter and the color purple

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

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