Lava is supposed to be red—that’s volcanoes 101. But at Indonesia’s Kawah Ijen, the Earth decides to break the rules. Instead of the classic fiery orange glow, this volcano bleeds electric blue. It’s ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. GRINDAVIK, Iceland (AP) — Lava continued to ...