Want to add some heat to your hikes? Try these six active volcano hikes, from Japan to Italy to Guatemala and everywhere in between.

Earthquakes are still rattling Greece’s volcanic island of Santorini every few minutes as authorities bolster their emergency ...

The magma system beneath volcanoes may persist even after recent eruptions, a new study finds.

Kīlauea volcano on the Big Island roared back into action the night of Feb. 3 after a 6-day pause in eruptive activity, with ...

Kilauea’s ongoing eruption resumed again Monday night at about 10 p.m. and was fountaining this morning from the north vent ...

HONOLULU -- A fountain of lava was spewing from a Hawaii volcano Tuesday in the latest episode of an eruption that has paused ...

The ongoing eruption at Hawaii’s Kilauea volcano refuses to let up after scientists say the eighth eruptive episode began late Monday night and sent lava shooting high into the air.

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in this area are chucking out six times the energy being produced by all ...

ATHENS – Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers ...

Plus: Authorities say the Black Hawk that collided with a passenger jet may have been flying higher than the max altitude for ...

More than 200 undersea earthquakes have been detected near the Greek island of Santorini over the past three days, worrying Greek experts and island residents alike.