Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet long and hailed from a mysterious group of ...

On particularly anxious nights, you might find yourself dreaming about getting chased by a fearsome dinosaur. The creature closing in on you opens its mouth wide, as if to give a terrible roar—and ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or a sudden catastrophe? A new study led by Andrew Flynn of New Mexico State ...