If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the ...

Volcanoes that dominate postcards and disaster movies are often the ones we can see, their peaks etched against the sky. Yet ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

A volcano in central Philippines erupted on Tuesday, spewing a 4.5-kilometre (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby. The Philippine Institute of Volcanology ...

Mount Etna is not just any volcano; it is a complex stratovolcano that has been active for thousands of years. Its eruptions are primarily caused by the interaction of the African and Eurasian ...

MANILA, Philippines (AP) — A restive volcano in central Philippines briefly erupted Tuesday, spewing a 4.5-kilometer (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby.

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

My friend Melanie loves to watch the Discovery Channel and share what she has watched with others. The problem is she can never get the story straight. Her latest tale is about Yellowstone Park ...

This photo shows the exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. (Photo by Liv ...