Watch a huge saltwater crocodile propelling itself through shallow waters pass a big bull shark with only a few feet between ...

mammals became Earth's dominant land animals. But that does not mean they went unchallenged. In South America, for instance, nightmarish land-living crocs - cousins of today's crocodiles and ...

A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became Earth's dominant land ...