"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 ...

On Jupiter, a storm doesn’t just brew, it can simmer for centuries. The planet’s atmosphere is a perpetual engine of ...

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 eastern ...

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 ...