A long-dormant "supervolcano" in southern Italy is inching closer to a possible eruption — nearly six centuries after it last erupted, according to European researchers. The Campi Flegrei volcano, ...

Deep beneath one of the United States’ most closely watched volcanoes, researchers see not only a source of risk but a vast ...

The most active volcano in the Pacific Northwest is the Axial Seamount. It’s located 300 miles west of Astoria, Oregon, and a mile under the ocean. It’s erupted three times in the past 25 years. And ...

About 300 miles off the coast of Oregon, an underwater volcano appears to be rumbling to life. Scientists who have been monitoring the vast submarine volcano for decades say a flurry of recent ...

Here’s hoping it’s nothing to blow your lid over. A normally quiet “high threat” volcano in Washington state has been rumbling at a record rate — prompting an alert from geologists who ultimately said ...

One of the world's most active volcanoes has erupted again in Hawaii. Timelapse footage from Mount Kilauea shows lava flowing ...