It's a truism among oceanographers that there is more accurate mapping of the surface of the moon and Mars than of the ...

Multiple videos show a rare "fireball" meteor breaking apart with a flash of emerald light over the erupting Mount Mayon.

An explosive eruption of Mount Dukono on a remote Indonesian island killed three hikers, authorities said Friday. About 20 climbers set out Thursday to ascend the nearly ...

The bodies have not yet been recovered because continued eruptions and dangerous conditions prevented rescue teams from reaching the location.

The 'supereruption' some 350,000 years ago in the central North Island was of the Earth's most explosive eruptions.

A rare underwater eruption in the Bismarck Sea may give birth to a new island, with NASA satellites capturing every stage.

The hikers became stranded when Mount Dukono erupted at 7:41 a.m. local time, causing a large booming sound and sending a thick ash column that rose 10 kilometres above the summit.

Three hikers in Indonesia have been killed in an explosive volcanic eruption that sent ash and volcanic rock 32,000 feet in the air. Authorities say the group scaled the volcano despite a hiking ban.

For a split second, a fireball outshone the rivers of molten lava flowing from the Philippines’ most active volcano.

Earth’s largest volcanic system, hidden in mountain chains under the sea, has long been assumed to erupt only quietly. The ...