The tremendous eruption of the Hunga Tonga-Hunga Ha'apai volcano was the blast heard and seen around the world. Shock waves rippled at least twice around the globe, moving at the speed of sound as ...

Look at that mountain! Imagine you are standing at the base of a volcano looking up. You were told that the volcano isn’t going to erupt anytime soon, but you notice a little bit of smoke (or is that ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, a shield-like giant buried beneath the northwest Pacific, spent years ...