If there's one Jurassic Period predator that stands out from the crowd as the most famous of all, it has to be Allosaurus. It ...

While the Tyrannosaurus skull was optimized for quick, strong bites like a crocodile, other giant dinosaurs that walked on ...

An analysis of tooth enamel from animals that roamed the western United States about 150 million years ago, including (from left) Allosaurus, Apatosaurus, a herd of Diplodocus and two Camptosaurus, ...

When you think of the largest carnivorous dinosaurs, you might picture a massive predator biting through bone in one ...