Indonesia’s Kawah Ijen volcano appears to glow electric blue at night, but the colour does not come from lava. Instead, ...

Few natural wonders are as breathtakingly surreal as the electric blue flames dancing across Indonesia's Kawah Ijen volcano.

Coincidence, or some more profound tectonic dance, when a dormant volcano erupts just days after a megaquake? Geoscientists have long wondered about this, and the April eruption of Russia’s Kamchatka ...

University of Birmingham volcanologist Mike Cassidy argued that the biggest danger could come, not from Yellowstone and Mount Etna, but from hidden volcanoes that appear dormant and are barely ...