The world’s understanding of the Tyrannosaurus rex as a fearsome-looking predator with a face of razor-sharp fanged teeth may soon need to shift. Similar to humans, the T. rex had lips that concealed ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...

Paleontologists have discovered a new type of dinosaur in China that is shedding new light on how the ancient reptiles grew differently from modern-day birds. Known as Wulong bohaiensis, the ...

Parts of the fossilized skeleton of a large, meat-eating dinosaur with razor-like claws and sharp, jagged teeth, which once roamed the plains of South America and Australia millions of years ago, have ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction before vanishing about 30 million years ago. By Sara Novak Around 145 million ...