After sunset, the Kawah Ijen volcano reveals a mesmerizing display of electric-blue flames ignited by burning sulphur gases, ...

These fiery features can be as dangerous as they are mesmerizing. Here are a few things to keep in mind if you live near or ...

A Canary Islands volcano pushed rivers of molten lava through the earth. Now scientists and explorers trek through the cooling underground, looking for insights into life on this planet—and perhaps on ...