Dinosaurs

This dinosaur footprint was found in sandstone at Dinosaur Track at Hackberry Canyon in Grand Staircase-Escalante National. A proclamation recently signed by President Trump would reduce the protected area by half.

What Shrinking Fossil-Rich National Monuments Means for Science

<i>Smithsonian.com</i> asks paleontologists how their work will change after the decision to slash Bears Ears and Grand Staircase

99-Million-Year-Old Tick That Feasted on Dino Blood Found Trapped in Amber

Sorry, there's no DNA left. But the find does provide the first strong evidence that the parasites preyed on dinosaurs

What's a dinosaur, anyways? The answer is in the evolutionary tree.

What Makes a Dinosaur a Dinosaur?

The question may sound like a "duh," but it gets to the heart of how we categorize and define nature

The Ten Best Science Books of 2017

These books not only inspired awe and wonder—they helped us better understand the machinations of our world

University of Michigan paleontologist Daniel Fisher holds up an intact mammoth rib unearthed from the field.

Mammoth Remains Unearthed at Michigan Farm, Hint at Ancient Human Butchering

Researchers have found 40 additional bones, including the skull, tusks and teeth of an ice age creature

A new depiction of Anchoirnis and its contour feather.

This Dinosaur Was Much Fuzzier Than Scientists Once Thought

A new analysis shows the extent of ancient bird-like dino's fluff

An artist's rendering of an asteroid striking Earth.

Dinosaurs Might Be Alive Today If the Asteroid Had Hit Another Location

Only a fraction of the Earth’s surface contained the right amount of hydrocarbons to trigger the mass extinction, a new study says

When the Dinos Went Away, Mammals Came Out (in Daylight) to Play

While it's challenging to imply one caused the other, a new study shows that mammals came into the light of day soon after the dinos disappeared

Scientists Unearth Near-Complete Marine Reptile Fossil in India

Palaeontologists have unearthed the remains of an ichthyosaur, a prehistoric creature more frequently seen in North America and Europe

An illustration of the raccoon-like Sinosauropteryx, which lived 130 million years ago in the Early Cretaceous.

This Adorable Bandit-Faced Dinosaur Will Steal Your Heart

Some dinos were small, fluffy and frankly adorable, a new analysis shows

This plant-eating dino joins the ranks of official California state insignia.

Meet California’s New State Dinosaur

The herbivorous creature last tromped across the state roughly 66 million years ago

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

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

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

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

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

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Maiopatagium furculiferum fossil found in China

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.

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

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