Learn more about the new methods Iceland is using to keep lava from destroying towns.

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.

Old 'Bed Barricade' That a Family May Have Used to Escape Vesuvius’ Eruption The Vesuvius eruption in the first century ...