Dinosaurs

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

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

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

What Is the Key to Predict Animal Speed?

The biggest animals aren't always the fastest

A horseshoe crab.

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.

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.

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

Tree resin trapped this baby bird 99 million years ago.

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

The tiny bird is a big find for paleontologists

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

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.

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

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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.

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

Former U.S. president Barack Obama goes book-shopping with his daughters in Washington, DC in 2015.

Liberals and Conservatives Read Totally Different Books About Science

The good news: Everyone likes dinosaurs

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Largest-Known Dinosaur Footprint Discovered in Western Australia

The print was among twenty-one types left behind 130 million years ago

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

Most regular visitors of Chicago's Field Museum are on a first-name basis with Sue, the Tyrannosaurus rex skeleton that adorns the museum's front hall.

From “T. Rex” to “Pantydraco": How Dinosaurs Get Their Names

The best monikers are “a way to link science and imagination.” Others are just obvious

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

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