For the first time in 19 years, lava flowing from Piton de la Fournaise hits the Indian Ocean on France’s Réunion Island.

Massive plumes of smoke, ash, and liquid magma flow from the Big Island of Hawaii’s gargantuan volcano.

ESA’s Venus Express has found the best evidence yet for active volcanism on Earth’s neighbour planet. Seeing the planet’s surface is extremely difficult due to its thick atmosphere, but radar ...

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 ...

Lava effusion is a normal occurrence in active volcanoes, but communities should watch for lava flows, the head of the Philippine Institute of Volcanology and Seismology (Phivolcs) said Thursday. The ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...