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Dinosaurs

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What’s Sexy to a Dinosaur?

Can paleontologists identify the influence of sexual selection in the fossil record?

PHOTOS: The Best and Weirdest Roadside Dinosaurs

The concrete and plastic dinosaurs beside America’s highways can be strange and beautiful. Tell us which one you think is the best

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The Past Keeps Getting Cooler

As cartoonist Randall Munroe points out, feathers make dinosaurs cooler than ever

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Spider-Man versus Dinosaur Duel Even Weirder Than it Sounds

Spider-Man once saved his city from a terrible dinosaur, but you’ll never guess what he wanted as a reward

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The Mysterious Martharaptor

Utah paleontologists unveil Martharaptor, an enigmatic Cretaceous dinosaur

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Stomach Contents Preserve Sinocalliopteryx Snacks

Rare stomach contents reveal the last meals of two fluffy dinosaur predators

Despite being famous for its size, Spinosaurus is mostly known from fragments such as this bit of upper jaw. We don’t really know how large this carnivore was.

Catching a Dinosaur by the Tail

We love to debate dinosaur size, but a lack of tails complicates our attempts to find out who the biggest dinosaurs of all were

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What’s Wrong With Giraffatitan?

Do dinosaurs such as Spinosaurus and Giraffatitan deserve a name change?

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Who Doesn’t Love Fuzzy Dinosaurs?

Feathered dinosaurs are awesome. Why do so many people hate them?

The cover of Paleo #2 by Jim Lawson

“Paleo” Isn’t Extinct Yet

After a long hiatus, the series Paleo returns in webcomic form

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Birmingham’s Smoking Dinosaurs

In 1938, awful dinosaurs roamed Birmingham, England

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Bicentenaria and the Rise of the Coelurosaurs

Paleontologists describe a new dinosaur that yields clues about how one of the most spectacular groups of theropods got their start

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Tracking Raptors

At an Early Cretaceous site in China, paleontologists have discovered a rich trove of raptor tracks

A Triceratops at the Natural History Museum of Los Angeles.

Huge Triceratops Uncovered in Alberta

Paleontologists in Canada have just uncovered a rare, especially big Triceratops skeleton

The nodosaur Animantarx. While this dinosaur is from Utah, it represents the sort of dinosaur that made the track found at the Maryland NASA campus.

NASA’s Nodosaur Track

Over 110 million years ago, dinosaurs roamed where a major NASA facility now sits

A pair of Stegoceras on display at the Royal Tyrrell Museum, Alberta, Canada.

How Domed Dinosaurs Grew Up

Dome-headed dinosaurs dramatically reshaped their skulls. How does this affect how we count dinosaur species?

Soft tissue traces of the ankylosaur Tarchia. Black asterisks denote large osteoderms, scale impressions are pointed out by an arrowhead and small ossicles are identified by the arrow.

An In-Depth Look at Ankylosaur Armor

An exceptional ankylosaur preserves the position of ancient armor

The skulls and necks of Majungasaurus (top) and Carnotaurus (bottom) compared.

Carnotaurus Had a Hefty Neck

Could the hefty neck of Carnotaurus explain why this dinosaur had puny arms?

Banjo’s reconstructed hand, with the thumb claw on top

Banjo Gets a Hand

Recently-discovered fossils fill out the arms of one of Australia’s formidable predatory dinosaurs

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Dinosaurs Better Off Lost

Even in film, searching for Africa’s mythical dinosaurs is a mistake

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