Firefighters did not discover a leak of sulfur dioxide today in the Kettering lab on the University of Dayton’s campus, according to a Dayton fire official. An alarm sounded indicating there was a ...

Poás Volcano’s crater is emitting a red glow, identified by the Volcanological and Seismological Observatory of Costa Rica (OVSICORI-UNA) as burning sulfur, amid ongoing eruptions. Yesterday, ...

Indonesia’s Kawah Ijen volcano appears to glow electric blue at night. (Image: Canva) Kawah Ijen volcano in Indonesia glows blue at night due to burning sulphur gas. The blue glow is fire, not lava; ...

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 ...