The entire chamber is about 450 feet (137 meters), from top to bottom." For the story — "Volcano Pictures: First Descent Into a Magma Chamber" — Than interviewed Quick, associate vice president for ...

Scientists say they used satellites and other technology to plumb the inner workings of a Bolivian volcano that last erupted 250,000 years ago.

HONOLULU (AP) — One of the world's most active volcanoes spewed lava into the air for a second straight day on Tuesday. The ...

Chile’s Calbuco Volcano erupted on Wednesday and several stunning photos and videos of it have been popping up all over the web. Below we’ve posted some of the most incredible videos and ...

The world’s loneliest volcano may hold something truly rare. We went to find it.