Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

A seismic survey challenges the long-standing belief that only active volcanoes have large magma bodies sitting beneath them.

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The chief scientist of the Yellowstone Volcano Observatory, Dr. Michael Poland, says he's not worried about an imminent eruption of the volcano under Yellowstone National Park.

Scientists say it is not likely the Yellowstone Volcano will erupt anytime soon - in the video below, John Sherer reports on how their research supports that theory ...