Deinonychus and its relatives, a group of bipedal, meat-eating dinosaurs collectively known as raptors, gained a fearsome reputation because of the enlarged, sicklelike claw they had on each foot.

John Ostrom, the Yale paleontologist who almost single-handedly convinced the scientific community that birds are descended from dinosaurs and whose discoveries provided the underpinning for the ...

A partial Tenontosaurus skeleton on display at the Museum of the Rockies in Bozeman, Montana. Photo by the author Tenontosaurus is a difficult dinosaur to describe. This beaked herbivore—a distant, ...

It’s a simple idea, but a potentially important one, for it casts Deinonychus’s entire body into a new light. Fowler thinks that it flapped its large feathered arms to keep its balance while killing a ...

Unlike their portrayal in Jurassic Park, curved-clawed dinos may have used their sharp appendages to pin and grasp, not slash. When you purchase through links on our site, we may earn an affiliate ...

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The Tyrannosaurus rex in the Harsco Science Center's new "Dino Adventure" exhibit is so big, it almost didn't make it inside. "We had to take off its head and tail to get it in the building," says ...