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Dinosaurs

Not only was Ornithomimus feathered, but the dinosaur’s fluffy coat changed as it aged.

Feathery Ostrich Mimics Enfluffle the Dinosaur Family Tree

A trio of feathered dinosaurs tests a longstanding hypothesis and hint that there may be more feathered dinosaur fossils than anyone ever expected

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Reviving Heterodontosaurus

Paleontologists have known about Heterodontosaurus for decades, but a new restoration of the dinosaur shows just how freaky it was

The peculiar, high-spined specimen that represents Becklespinax (left), and two possible restorations of the dinosaur by Darren Naish (right).

B is for Becklespinax

For over a century and a half, paleontologists have been confounded by the sail-backed carnivore Becklespinax. What did this dinosaur really look like?

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Dinosaur Stampede, the Musical

What caused Australia’s dinosaur stampede? A short musical performance suggests an answer

A reconstruction of Patagonykus, one of South America’s alvarezsaurs.

Did Dinosaurs Eat Ants?

The weird alvarezsaurs look perfectly-adapted to eating termites, but how can we find out what they really ate?

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The Saddest Dinosaur Cartoon Ever

Mountain of Dinosaurs, from 1967, uses extinction as a metaphor for Soviet oppression

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Jurassic Park 4′s Discharged Dinosaur Soldiers

Some scrapped Jurassic Park 4 designs show the movie’s insane ideas for dinosaur soldiers

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The Bat-Winged Dinosaur That Never Was

Just when naturalists began to suspect that birds might be dinosaurs, one researcher put forward a truly strange idea of what early bird ancestors would have looked like

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Doing the T. rex Stretch

Did T. rex use its tiny arms to do push-ups?

A second specimen of the troodontid Mei, preserved in a bird-like sleeping position.

How Did Dinosaurs Sleep?

A lovely little fossil shows how some dinosaurs said goodnight

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The Fall of Domino Dinosaurs

A delicately-balanced domino setup replays the end of the Age of Dinosaurs

A headless Haplocanthosaurus, laid out at the Utah Field House of Natural History.

Haplocanthosaurus–A Morrison Mystery

Without a skull, determining the dinosaur’s relationships is difficult

Thomas the T. rex, a lovely reconstruction at the Natural History Museum of Los Angeles.

Long Live the King

Paleontologists have named scores of dinosaurs, but why is T. rex our favorite?

Dilophosaurus, in a restoration based on an impression found at St. George, Utah. Art by Heather Kyoht Luterman

Dilophosaurus – An Early Jurassic Icon

Tracks made by a 20-foot predatory dinosaur have been found in rock from Connecticut to Arizona, but who made the tracks?

Recyclosaurus rex, seen outside the Museum of Science and Industry in Tampa, Florida.

Dinosaur Sighting: Recyclosaurus

A reader shows us a snapshot of a spare-parts dinosaur

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Triceratops Wasn’t Toxic

Triceratops was an awesome dinosaur, but, despite one site’s claim, it wasn’t equipped with poisonous quills

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Dino Time Botches Dino Feathers

Feathered dinosaurs are wonderful, but DinoTime 3D makes them look stupid

Fossil swim tracks indicate that theropods similar to this Megapnosaurus at least occasionally swam in prehistoric lakes and rivers.

Did Dinosaurs Swim?

Carnivorous theropod dinosaurs were thought to be hydrophobic, but swim tracks show that these predators at least sometimes took a dip in lakes and rivers

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What Kind of Dinosaur is Godzilla?

Everyone knows that Godzilla is a radioactive dinosaur, but just what sort of dinosaur is the famous monster?

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The Awkwardness of Tyrant Teens

Adult T. rex had the most powerful bite of any creature to walk the earth, but they had to grow into that destructive power

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