A gigantic crocodile-like hypercarnivore likely hunted dinosaurs 70 million years ago in what is now Argentina, a new study reveals. Researchers discovered the fossilized skeleton from the extinct ...

Scientists have discovered a new species of dinosaur -- and it's a big deal. First, let's talk size. The dino, Mansourasaurus shahinae, was the length of a school bus and about as heavy as an elephant ...

The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National Geographic Explorer Diego Pol. The fossil skull of Kostensuchus atrox, a ...

In a discovery described as a "global scientific milestone," a research team from Mansoura University has identified a new ...