KINGSTOWN, St. Vincent (AP) — La Soufriere volcano has fired an enormous amount of ash and hot gas in the biggest explosive eruption yet since volcanic activity began on the eastern Caribbean island ...

Kīlauea, one of the most active volcanoes in Hawaii, had a series of violent steam explosions in 1924, and scientists discovered the cause.

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...