Add Yahoo as a preferred source to see more of our stories on Google. On June 2, at around 11:20 a.m. local time, a giant, superhot avalanche of ash, known as a pyroclastic flow, suddenly exploded ...

There is no current danger to the population after a pyroclastic flow on Italy’s Mount Etna produced a huge plume of ash Monday, sending tourists running. The flow moved away from a group of tourists ...

MILAN, Italy — Mt. Etna, the volcano that towers over eastern Sicily, has again captivated the world with a spectacular show, spewing smoke high into the sky. But the defining event of Monday’s ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...