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 ...

Scientists recreate magma and water reactions in a lab to understand explosive volcanic eruptions and improve hazard predictions.

Add Yahoo as a preferred source to see more of our stories on Google. A volcanic eruption does not always involve molten rock bursting from a familiar cone. Across the Solar System, eruptions can send ...

A powerful swarm of earthquakes in January suggested one of Iceland’s giant “ice volcanoes” may be awakening after a decade of slumber. In the months that followed, more earthquakes have rocked the ...