Volcán de Fuego in Guatemala - one of the most volatile volcanoes in the world - has started erupting, with a nationwide ...

Mount Etna is erupting in Sicily, drawing tourists eager to see the active volcano despite concerns from local guides. The ...

These fast-moving mudflows can devastate towns in a matter of minutes.

A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent plume of ash, steam and rock, turning a patch of open ocean into a churning ...

Panicked tourists are fleeing from the area.

Here at Hawaiian Volcano Observatory, we are most interested in understanding when and where a volcanic eruption will occur.

Spectacular images of lava flowing down the slopes of an erupting Mount Etna have drawn flocks of tourists to the Italian volcano -- to the worry of local guides.

Activity at Guatemala’s Fuego volcano that began Monday morning and caused widespread evacuations is gradually decreasing, ...

Frothy rock floating on the ocean near Papua New Guinea is the sign scientists needed that, hidden from view, an underwater volcano was erupting ...

Kīlauea volcano has erupted again, sending lava 500 feet into the night sky. Here's the science behind the towering lava fountains and the geological forces powering them.

Guides who take tourists to enjoy the striking views of Sicily's Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at the giant volcano in ...

Video. Mount Etna is erupting in Sicily, drawing tourists eager to see the active volcano despite concerns from local guides.