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 ...

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 ...

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

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.

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” ...

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

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.

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure dropped ...

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

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active volcanoes Sally Sennert Did you know that there are between 40 and 50 volcanoes ...