Earth may become uninhabitable in 250 million years due to a superheated supercontinent, Pangaea Ultima, with soaring ...

Barmy daredevils donned skis to get up close to sizzling hot lava flowing out of the iconic Mount Etna in Sicily, Italy - one ...

While scientists once thought Greenland's ice streams flowed slowly and uniformly, new research reveals a quake-driven "stick ...