Huge tunnels under southern Brazil and northern Argentina were potentially made by giant, Ice Age sloths for refuge and rest ...

If you’ve seen any of the “Ice Age” animated Disney movies, we have some bad news: You don’t know the real ice age.

The nature documentary series uses new research and photorealistic CGI to bring the huge, bizarre animals of the Ice Age back ...

International research and highly-specialized divers are bringing an underground, underwater world to the surface ...