A 10-mile-wide volcanic basin in the eastern Sierra Nevada has been slowly swelling for decades as fresh magma rises beneath ...

This stunning astronaut photo shows the natural beauty of Japan's Aso Caldera — a giant crater-like bowl containing 17 different volcanoes, leftover from major eruptions spanning over 200,000 years.

Add Yahoo as a preferred source to see more of our stories on Google. Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that ...

West of central Naples, a low volcanic landscape of craters, hot springs and steaming vents spreads across the Gulf of ...

We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

The Yellowstone Caldera is a volcanic caldera and super-volcano in Yellowstone National Park, located in the Western United States—it has sometimes been referred to as the Yellowstone Super-volcano ...

The takeaway: Lithium is a crucial element for batteries and other high-tech components, with demand expected to grow significantly in the coming years. A deposit discovered in the US a few years ago ...

The Kilauea volcano erupted Monday morning on Hawaii's Big Island following increased earthquake activity beneath its summit, according to the U.S. Geological Survey. The volcano is located along the ...

Oia is a village on Santorin in Greece, stretched along the northern rim of the island’s volcanic caldera where whitewashed ...

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