And it has observed some dramatic features there, like a lake of lava and a large mountain. Even though Jupiter (and Io) are ...

Below the surface, Earth's rocky rind is ripping apart, and underground chambers of magma are fueling 12 active volcanoes as well as steaming geysers, boiling cauldrons, and a fiery lake of lava.

This story appears in the April 2011 issue of National Geographic magazine. When? This is the question that has brought two of the world's leading volcano scientists to the center of Africa; it's ...

Incredible footage of the Kilauea Volcano shows lava shooting over 600 feet into the air earlier this week on Tuesday evening. These are the largest eruptions seen in over 11 episodes since Kilauea ...

Fissures then opened in the summit area and sent lava fountaining into the sky. Now the area has filled with molten rock, creating a lake of lava in the volcano’s crater. The new lava is an ...

NASA confirmed that a chunk of debris that crashed into a Florida home came from a battery pallet ejected from the ISS, and archaeologists found evidence that humans used a lava tube as a shelter ...

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

Tephra includes large, dense chunks, light rock debris, and ash. The restless lava lake in Nyiragongo's summit crater regularly causes eruptions of gas and smoke laden with tephra. Lava is the ...

Fountains dropped in height 250 feet (80 meters) to 300 feet (90 meters) on Tuesday night, according to the Hawaii Volcano Observatory. On Wednesday morning, a webcam still showed tall bursts of fiery ...

A cross-section of the Lake Superior basin that shows the volcanic rock that helps Isle Royale and the Keweenaw Peninsula. (Courtesy U.S. Geological Survey) The lava flow caused by the ...