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 ...

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 ...

A volcanic formation known as Pele’s hair is produced when air-filled magma is stretched, according to a new study by a team of scientists and glass artists.

Due to a weird quirk of geology, New Mexico's Bandera Volcano Ice Cave never warms above 31 degrees Fahrenheit, even when temperatures outside exceed 100 F in summer. When you purchase through links ...