With monstrous plumes bursting from the water and shimmery streaks of electric light, Devon Massyn said it was one of the craziest things he has ever experienced.

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

The Hunga Volcano eruption in January 2022 off the coast of Tonga did more than produce a spectacular explosion visible from ...