On the slopes of an Indonesian volcano, rivers of light appear to pour out of the dark, glowing an electric blue that looks more like a movie effect than geology. The spectacle is real, but the molten ...

A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.

Due to a weird quirk of geology, New Mexico's Bandera Volcano Ice Cave never warms above 31 degrees Fahrenheit, even when ...

A volcanic eruption in southwestern Iceland has once again forced the evacuation of tourists at the internationally known Blue Lagoon geothermal spa, the national broadcaster RUV reported. The ...

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Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea's 31st display of molten rock since ...

The latest Kilauea eruption ended today at 4:16 p.m. after a little more than five hours of continuous lava fountains. Lava fountains reached a maximum of 1,000 to 1,100 feet during this episode that ...