One of the most explosive volcanoes in U.S. history began its eruption with a trickle, not a blast. Mount St. Helens' gas-laden magma oozed into the cone before the mountain finally erupted in 1980.

Volcanologist Martin Mangler explains how volcanic eruptions work to push lava into the air. Listen on the The Conversation’s ...

A volcano on Japan’s major western island of Kyushu had multiple eruptions on Sunday, Nov. 16, sending a plume of smoke and ash almost three miles into the air, causing tens of flight cancellations ...

When lava shot into the air at Hawaii’s Kilauea volcano, the fountaining set a new record for the volcano which has been erupting for more than a year.

HONOLULU--Hawaii’s Kilauea volcano resumed erupting on Tuesday, firing lava 330 feet (100 meters) into the sky from its ...

A 2021 satellite photo shows an unusual series of concentric cloud rings that appeared directly above an erupting volcano on ...

The sudden awakening of a volcano that had been quiet for roughly 12,000 years has transformed a remote corner of Ethiopia into a global focal point, as a towering ash plume shot into the sky like an ...

The Titan Ridge Volcano is erupting in the Bismarck Sea, sending ash and smoke into the sky and prompting authorities to warn of possible tsunamis in the area.

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

Terrified tourists were seen scrambling for cover as they were pelted with lava from an exploding volcano in Guatemala.

A volcano that slept for more than 100,000 years before erupting is blowing up our understanding of when volcanoes should be defined as active or extinct. Volcanologists officially classify sleeping ...