Scientists July 31 announced the discovery of the world's longest lightning flash ever detected – a whopping 515-mile-long ...

This is an incredible picture of a “bolt from the blue” lightning strike from downtown Houston Tuesday. Quentin Dunn sent this to me from his office with downtown in the distance.

The 2017 “megaflash” stretched from eastern Texas to near Kansas City — a distance that would take at least eight hours by ...

Though scientists have long understood how lightning strikes, the precise atmospheric events that trigger it within ...