The sculpted skull of the AMNH Deinonychus mount. There is good evidence that theropods at least occasionally came into association with each other, some of the best evidences of dinosaur behavior ...

Joshua Rapp Learn is an award-winning D.C.-based science journalist who frequently writes for Discover Magazine, covering topics about archaeology, wildlife, paleontology, space and other topics. View ...

On a summer evening in 1993, Professor John Ostrom, a paleontologist at the Yale Peabody Museum of Natural History, had a chance to see one of his discoveries spring to life. “Jurassic Park,” Steven ...

Sean Mowbray is a freelance journalist based in Scotland who covers topics such as health, archaeology, and general science for Discover Magazine. View Full Profile. In a famous scene from “Jurassic ...

Meet Hector. He’s very old, very controversial and very in demand. Even if he was a bit cranky during his life, he helped inspire a bestselling book and hit movie. Hector is a fossil whose sale could ...

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 ...

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.

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 ...

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, ...