Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral role in marine geology and may cause destructive tsunamis that can ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, has been discovered Venus.

One of the most active volcanoes in the world is gearing up for a spectacular eruption, according to the United States Geological Survey. A high fountaining phase is imminent at the Kilauea volcano on ...

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, ...