The mystery of this blue-colored flame lies in the chemistry of an element that sits in abundance within the belly of this volcanic beast.

There’s a blue-fire volcano in Indonesia—and we have the photos to prove it. Kawah Ijen awes with a mesmerizing glow at night. When you think of an ordinary volcano, you probably picture fiery red ...

Methane gas produced by Hawaii's Kilauea volcano has caused rare blue flames to arise from cracks in the pavement. U.S. Geological Survey scientists were able to capture what they called "one of the ...

A volcano began erupting in southwestern Iceland on Tuesday, just hours after authorities evacuated a nearby community and a geothermal spa, one of Iceland’s biggest tourist attractions. Flames and ...

A volcanic eruption in southwest Iceland has prompted evacuations, including at nearby tourist sites like the Blue Lagoon. The Sundhnukur volcano, located on the Reykjanes Peninsula, began erupting ...