Hawaii's Kilauea was spraying a spectacular fountain of lava on Monday, keeping up its reputation as one of the world's most ...

There aren't many places on the planet where you can see both active volcanoes and massive glaciers. This Icelandic national ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Fears of an incoming volcanic 'mega eruption' on Tenerife's Mount Teide have been allayed by scientists following a four-hour seismic swarm of mini-earthquakes - but experts say an eruption will ...