Thunder cracks in the distance. Somewhere, a polar bear paces a shrinking patch of ice. Forests burn, oceans warm, and the ...

Squat rhinos lived in North America about 12 million years ago, congregating in huge, water-bound herds much like modern hippos.

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

Lots of snakes can detect heat, but only three families evolved true infrared targeting. Meet the most iconic predator from ...