The fearsome raptors that terrorized visitors to “Jurassic Park” may not have hunted in packs, like they did on screen. That’s the finding of a new study that analyzed teeth from Deinonychus ...

By studying the chemistry of the teeth, the paleontologists were able to get clues about the creatures' diet and water sources. The teeth indicated that the Deinonychus's diet changed from when it ...

To do this, the scientists considered the chemistry of teeth from the raptor Deinonychus, which lived in North America during the Cretaceous Period about 115 to 108 million years ago.

Dinosaur teeth discovered by a now retired quarryman have revealed a community of prehistoric predators that lived around 135 million years ago in an ... such as Velociraptor and Deinonychus, ...

Thanks to plenty of good press from movies, documentaries, books and toys, over the past thirty years, Deinonychus and Velociraptor have become the quintessential dromaeosaurid ("raptor ...

It had a mouth full of sharp teeth with serrated edges like steak knives, long slender hands with three fingers ending with large, curved claws, and a huge claw on the second toe of each foot. A fast ...

Deinonychus ’ claw was about 10 ... While latched onto the side of a large herbivore, the raptors could have used their teeth to inflict mortal wounds, they say. Lions today sometimes use a ...

The fearsome raptors that terrorized visitors to “Jurassic Park” may not have hunted in packs, like they did on screen. That’s the finding of a new study that analyzed teeth from Deinonychus ...