The new fossil was unearthed in a remote part of Argentinian Patagonia—and had teeth comparable to a T. rex, says National ...

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

Kostensuchus atrox was not a dinosaur, but a peirosaurid crocodyliform, an extinct group of reptiles related to modern ...

Paleontologists have discovered the fossilized remains of a crocodile "hypercarnivore" that lived in what is now Argentina ...

The new species has been named Kostensuchus atrox, after the Patagonian wind known in the Tehuelche native language as the ...

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 ...

• Crocodiles are a grayish-green color, while alligators are black. • When their mouths are closed, you can see the fourth tooth on the lower jaw of a crocodile. On an alligator with its mouth ...

A remarkably intact skeleton of a giant meat-eating crocodile relative has been unearthed in South America, providing ...

The easiest way to tell the difference depends on where you spot the reptile. But certain physical features set crocodiles apart from alligators.

From afar, it can prove challenging to tell the difference between crocodiles and alligators. So, how can you identify the two? We are here to help!