However, red lightning it only lasts for a millisecond or so, which makes it difficult to observe and study. Here’s a look at what scientists have learned so far about the phenomenon.

Here’s how it works. The upward-shooting red lightning, known as a sprite, appeared during a thunderstorm in Slovakia on Aug. 14. (Image credit: Stanislav Kaniansky) ...

Mysterious ‘red lightning’ spotted over Himalayas is finally explained - Thunderstorms over Himalayas have potential to produce complex electrical discharges, researchers say ...