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.

Volcanic activity bubbling away beneath the Yellowstone National Park in the US appears to be on the move. New research shows that the reservoirs of magma that fuel the supervolcano's wild outbursts ...

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 ...

Two long-dormant “supervolcanoes” on two separate continents appear to be stirring to life. Well, maybe. In recent months, more than a thousand minor earthquakes have rattled the area around the Campi ...

Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes behind thick, shifting layers of volcanic gas and ash. Visitors snap ...

One of California’s riskiest volcanoes has for decades been undergoing geological changes and seismic activity, which are sometimes a precursor to an eruption, but — thankfully — no supervolcanic ...

1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 ...

Over 3,000 years ago, the eruption of Santorini’s volcano ended an ancient civilization. Scientists may know what the next big explosion could look like. A man looks out across the Santorini caldera ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. YELLOWSTONE NATIONAL PARK — The Yellowstone region today is Wonderland. It is full of spectacular ...

HAWAII VOLCANOES NATIONAL PARK, Hawaii -- A man has been injured after he fell into the caldera of the Kilauea volcano on Hawaii's Big Island, according to officials. The man fell from a 300-foot ...

Rising more than twice the height of Mount Everest, Olympus Mons dominates the landscape of Mars and holds the title of the ...