When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the harm can continue to spread long afterward.

The Philippine Institute of Volcanology and Seismology raised the status of Kanlaon Volcano on Negros Island to Alert Level 3 after its explosive eruption on December 9.

Dozens of earthquakes have shaken the ground near the 11,000-meter-high megavolcano in Alaska, which experts fear is "close ...

Ash from the 1912 Novarupta eruption periodically hits the west side of Kodiak Island, Larsen Bay and Karluk, roughly 65 ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...