Scientists have discovered rare fossil evidence of dinosaur cannibalism in a large quarry in Colorado. According to lead study author Stephanie Drumheller, it's likely that the predators were driven ...

The Allosaurus dinosaurs were the scourge of the Jurassic period some 150 million years ago, an apex predator just as Tyrannosaurus rex, but new research finds it may have engaged in cannibalism. Most ...

Allosaurus was among the earliest dinosaur discoveries, and fossils are plentiful, making it a darling of paleontologists, as well as amateur dinosaur observers. Fossils possibly belonging to ...

Being referred to as thickheaded isn’t exactly a compliment. Depending on your lifestyle, however, you just might need a skull that can occasionally take a good smack. Consider a carnivorous dinosaur ...

A remarkable new species of meat-eating dinosaur, Allosaurus jimmadseni, was just unveiled. The huge carnivore inhabited the flood plains of western North America during the Late Jurassic Period, ...

Forget those sluggish tail-draggers you’ve seen plodding through old cartoons—in the real world, many dinosaurs lived fast and died young. Meet Allosaurus, a fearsome hunter with a knack for war ...