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 ...

AtIndonesia’s Kawah Ijen volcano, a breathtaking blue glow emerges at night, setting it apart from most volcanoes where lava burns in shades of red. At Kawah Ijen, however, the molten sulfur flows ...

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 ...

Few natural wonders are as breathtakingly surreal as the electric blue flames dancing across Indonesia's Kawah Ijen volcano. Unlike the familiar red-orange glow of molten lava, this volcano gives off ...