A bolt of lightning lasts only a fraction of a second, yet in that instant it becomes one of the hottest phenomena that regularly occurs on the surface of the Earth. The narrow channel carved by a ...

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 ...

"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 ...

It is one of the more startling facts about everyday weather: the crooked flash that splits a summer sky briefly heats the ...