When a volcano that has slept for centuries suddenly roars back to life, the first clear view no longer comes from a ship or a nearby village, but from orbit. Earlier this year, a NASA satellite ...

What if the most telling indications of an impending volcanic eruption are buried deep under the ocean, or in a fleeting succession of tiny quakes that no one perceives? As volcanoes of the Pacific ...

A 1956 eruption collapsed much of the Bezymianny volcano in Kamchatka, Russia, but frequent eruptions since — including a large event in November — means it has now almost completely regrown. When you ...