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.

Tourists and locals have been gathered on the Reunion Island to see lava flowing from a volcano that has been erupting for ...

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 ...

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 travel vlogger captured stunning footage of a volcano erupting in Indonesia. Ryan Purvis caught the Aug. 14 eruption on video, showing smoke pluming from the volcano into the air. Mount Semeru, ...

The Klyuchevskaya Sopka volcano is erupting in Kamchatka following a major earthquake in the region, the Kamchatka Branch of the Russian Academy of Sciences' (RAS) Geophysical Service said in a ...

Kilauea, a volcano in Hawaii, started erupting Tuesday morning, spewing football-sized particles into the air, the U.S. Geological Survey said. The Hawaiian Volcano Observatory said the eruption at ...