Hydrothermal activity detected for the first time in the underwater volcano between Tenerife and Gran Canaria. Experts issue warning.

Hawaii Island's Kilauea volcano erupted on March 10, spewing rock fragments and closing nearby highways.

Far out in the Atlantic Ocean, the Azores rise from the sea as a chain of volcanic islands. Beneath the waves, the volcanic rock creates a maze of cracks, overhangs, and swim-throughs. As divers ...

This belt, known as the Ladakh Magmatic Arc, is now extinct, but once produced enormous amounts of molten rock deep beneath the surface.

A total of 279 volcanic earthquakes was observed in a 24-hour period at the Mayon Volcano in Albay, the Philippine Institute of Volcanology and Seismology said on Sunday morning. State seismologists ...

Tephra is fragmented volcanic material — including ash, rock and strands of volcanic glass — blasted into the air during an ...

One of Earth’s most active volcanoes, Kīlauea, has erupted again for the 43rd time in Hawai's Big Island. USGS reported the ...

From volcanic hot springs and mountaintop hikes to sea-view spas and sunset swims, this three-day itinerary reveals Ischia at its most restorative.

A volcano is an opening in the Earth's crust that allows molten rock, gases, and debris to escape from below the surface. The ...

Scientists have uncovered a 377-million-year-old tree fossil in southwest England that shows early trees once grew on ...

A volcanic eruption at national park triggered explosive rock storm & ash plume forcing emergency evacuations Scientists warn of continued seismic activity ...

Kilauea volcano erupted Tuesday on Hawaii's Big Island, shooting lava fountains up to 1,000 feet high and sending ash and volcanic debris across nearby communities.