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 ...

Original Post: Lava once again was fountaining within the summit caldera of Kīlauea volcano on the Big Island as Episode 33 of the ongoing episodic eruption inside Halemaʻumaʻu Crater entered its ...

The USGS Hawaiian Volcano Observatory monitors volcanic activity across the Hawaiian Islands and American Samoa, helping to ...

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 ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the ...

Learn more about how researchers track water movement through a technique called fingerprinting at Yellowstone National Park.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Despite an explosive summer at Yellowstone National Park — marked by a thermal feature eruption ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Mark Stelten, research geologist with ...

Latest news about the Yellowstone Supervolcano appears to be straight out of a high-action sci-fi movie, and what makes it ...