Previously unknown volcanic eruptions may have kicked off an unlikely series of events that brought the Black Death—the most devastating pandemic in human history—to the shores of medieval Europe, new ...

This year, the Earth’s core put on a show unlike any other, with volcanic eruptions that dazzled observers from every continent. Some of these eruptions were so breathtaking they left viewers ...

LOS LLANOS DE ARIDANE, Spain — A bright red river of lava from the volcano on Spain’s La Palma island finally tumbled over a cliff and into the Atlantic Ocean, setting off huge plumes of steam and ...

In the midst of a volcanic eruption, lightning can streak across the ash and smoke above it, but what do we think causes ...

In the Canary Islands wine region, growers plant vines in volcanic ash craters called hoyos to protect grapes from wind, heat ...

A flea depicted in a digitally colorized microscope image. (CDC/Ken Gage / Smith Collection/Gado/Getty Images) When the Black Death swept through Europe beginning in 1347, the plague wiped out more ...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help planners anticipate future mudflows.