Using advanced technology that analyzes tiny gas bubbles trapped in crystal, a team of scientists has precisely mapped how magma storage evolves as Hawaiian volcanoes age.

An explosive eruption at the Kanlaon Volcano in the Philippines spewed ash onto several cities on Negros Island early Tuesday morning, and the event was caught on video.

The underwater volcano, Axial Seamount, off the coast of the Pacific Northwest is heading to eruption for the first time in a ...