“We call it megaflash lightning and we’re just now figuring out the mechanics of how and why it occurs,” study co-author and Arizona State University climatologist Randy Cerveny said in a statement.

"Thunder is impressive," Mark Twain wrote, "but it is lightning that does the work." Anyone who's watched a lightning storm will understand what he meant: Lightning is one of nature's most ...

(CNN) — Lightning is a familiar sight in stormy skies, but a new report has revealed just how far some bolts can travel — in one case, more than 500 miles. That astonishing bolt sparked to life in ...

A security camera in north central Wisconsin captured the dramatic moment when a bolt of lightning struck a white pine tree on Sept. 9, causing a fire that prompted neighbors to spring into action. A ...

The Aug. 12 strike blew concrete out of the ground near the Lake Michigan Filtration Plant's generator building, damaging ...

Have you ever shuffled through your living room carpet in socks and touched a doorknob to be met with a pop! and a shock? That’s what’s happening in the clouds during a thunderstorm. Our eyes deceive ...

When thunder roars, head indoors! Lightning is New Mexico’s deadliest weather threat, and since 1959, 90 people have died as a result of a lightning strike. Chief Meteorologist Grant Tosterud and KRQE ...

Talk about a bolt from the blue. Scientists July 31 announced the discovery of the world's longest lightning flash ever detected – a whopping 515-mile-long bolt that blasted across central U.S. skies ...

In Britain, lightning causes an average of two deaths a year; in South Africa, it can be well over 200. Near Pretoria over ...