Bring your shovel and pail to hunt for million-year-old fossils while traversing a volcanic mountain range in California's ...

A vast sheet of volcanic rock in the Andes has preserved clues to a buried landscape that existed 22 million years ago, ...

Microscopic clues in volcanic ash reveal how magma breaks apart, heals, and sticks back together during explosive eruptions.

Scientists study a buried volcanic eruption deposit in the Andes to show how the mountain range formed slowly over millions ...

Ancient rocks from Western Australia suggest water was reaching deep inside Earth more than three billion years ago, long before modern plate tectonics may have fully developed. Researchers propose ...

A volcanic eruption buried part of the Andes 22 million years ago, preserving clues that show how slowly the mountains were ...

Learn how an ancient volcanic eruption in Chile buried a vast landscape, concealing clues on the rise of the Andes Mountains.

(Reuters) - The latest bursts of molten rock, ash and toxic gas from Kilauea Volcano on the Big Island of Hawaii are part of an ever changing and still largely mysterious cycle of eruptions that have ...

Add Yahoo as a preferred source to see more of our stories on Google. Watch as a tourist run for cover after a volcanic rock narrowly misses her during an eruption in Guatemala.Hana García captured ...

Add Yahoo as a preferred source to see more of our stories on Google. Watch this clip where a routine guided volcano tour in Guatemala takes a terrifying turn when the Fuego volcano suddenly erupts, ...