Lightning is a familiar sight in stormy skies, but a new report has revealed just how far some bolts can travel — in one case ...

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

A lightning "megaflash" that zipped across five U.S. states has set a new record for the longest ever detected.

A new world record for the longest distance lightning flash was declared on Thursday - a megaflash that stretched for 829 kilometres (515 miles) across the United States.