Add Yahoo as a preferred source to see more of our stories on Google. Long, horizontal streaks of spider lightning below the base of a storm cloud in the Arizona desert in 2008. “We call it megaflash ...

The event occurred when a powerful positive lightning bolt struck during an intense thunderstorm over the region.

A rare phenomenon was caught on camera Wednesday morning by a photographer in Puerto Rico during a thunderstorm. Known as a gigantic jet, the phenomenon is a Transient Luminous Event (TLE) and appears ...

An enormous, 515-mile-long flash of lightning that crossed at least three states has been named the longest in recorded history in the world. The 2017 “megaflash” stretched from eastern Texas to near ...

Add Yahoo as a preferred source to see more of our stories on Google. Talk about a bolt from the blue. Scientists July 31 announced the discovery of the world's longest lightning flash ever detected – ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. There’s regular lightning and then there’s megaflash lightning ...