An eruption at Mount Etna in July 2021. (Salvatore Allegra Photography/Moment/Getty Images) Mount Etna is more than half a million years old, but this massive stratovolcano in Sicily still has plenty ...

A fiery mystery has puzzled geologists for decades: where did the lava fueling one of Earth’s largest volcanic events come from? A new study may finally have the answer. Scientists have long believed ...

Volcano Watch is a weekly article and activity update written by US Geological Survey Hawaiian Volcano Observatory scientists ...

Mount Etna's strange lava has long perplexed scientists, but new research reveals that the volcano formed in a bizarre way — making it unlike any other known volcano on Earth.

Geology textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those plates like a conveyor belt. But that idea, first set out some 100 years ago, ...