A fossil found in Argentina shows that up to the very end of the age of dinosaurs, they faced serious competition from other ...

During a dig in the Patagonia region, Fernando Novas at the Bernardino Rivadavia Argentine Museum of Natural Sciences in Buenos Aires and his colleagues unearthed the complete skull, spine and hips of ...

Seventy million years ago, southern Patagonia was a warm, seasonally wet landscape where dinosaurs, turtles, frogs, and ...

Scientists discovered Kostensuchus atrox in Argentina, a crocodile relative that hunted dinosaurs 70 million years ago.

A long time ago, strange predators roamed the Caribbean — not just birds and snakes, but land-dwelling crocodiles that sprinted after prey like hungry wolves. These ancient reptiles weren’t ...

A newly discovered species of a large, crocodile-relative predator has been described via a remarkably well-preserved fossil ...

A long time ago, strange predators roamed the Caribbean — not just birds and snakes, but land-dwelling crocodiles that sprinted after prey like hungry wolves. These ancient reptiles weren’t ...

Ancient, tough, and extremely dangerous to pretty much anything around them, crocodiles and alligators are actually under threat from a few other predators.

Crocodile attacks in Australia have risen since conservation measures helped their numbers skyrocket. Now, scientists are harnessing their environmental DNA to find these predators before they strike.

Africa's Nile crocodiles can grow up to 20 feet long, weigh as much as a car, and bite as hard as a T-Rex. So why does Anderson Cooper get in the water with them?

Nile crocodiles are Africa's largest and most feared predator but surprisingly this one didn't attack. Brad and Andy have been getting closer and closer to these creatures ever since.