Scientists believe that the Axial Seamount, an underwater volcano located 300 miles off the coast of Oregon, is showing signs ...

Over the Sierra crest — about 150 miles to the east of Manteca, Oakdale, and Turlock — is one of the world’s largest active ...

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans.

A mile-wide volcano has experienced hundred of earthquakes in the last few days. Scientists have warned that an eruption is ...

From a research submersible, scientists saw hardened lava, dead tube worms and orange flashes from an eruption in the East ...