A supervolcano is like a regular volcano on steroids. If it erupts, it would kill 100,000 people in an instant. And expel over a thousand times more material than a regular volcano. It would send so ...

Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.

Will Yellowstone ever erupt? Many people worry about the likelihood that the supervolcano beneath the park will stir to live one day.

Hawaii’s Kilauea volcano erupted for six hours on Wednesday. Officials say lava fountains reached 1,300 feet or 400 meters ...

More than 2,000 earthquakes were recorded in one day. An underwater volcano off the coast of Oregon is gearing up for an eruption, according to volcanologists who are monitoring for activity. The ...