Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

Deep below the Pacific, a restless seafloor volcano off Oregon is showing signs it may soon stir again. Axial Seamount, a submarine volcano located nearly a mile beneath the ocean surface, is flexing ...

Volcanoes often look deceptively quiet until the moment they unleash towering plumes of ash and gas, yet the precise switch that turns a gentle rumble into a devastating blast has remained stubbornly ...