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.

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

AtIndonesia’s Kawah Ijen volcano, a breathtaking blue glow emerges at night, setting it apart from most volcanoes where lava ...