"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 ...

A defibrillator delivers up to 1,000 volts. An electric chair, about 2,000. A lightning bolt: 100 million. But because the ...

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 ...

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 ...

A lightning strike hit a house in Southern California Tuesday, startling a mom and her two children who were standing just feet away. Tiffanie Buckner was recording the lightning as storms were ...

A lightning megaflash that spanned 515 miles from Dallas to Kansas City, Missouri, has set a new world record for the longest bolt. The Oct. 22, 2017, lightning bolt was part of a large cluster of ...

Lightning flashes streak across the sky in the German countryside. One large flash is mostly horizontal, another one is vertical. Sometimes lightning bolts can stretch hundreds of miles horizontally.

JACKSONVILLE, Fla. — Years later, the World Meteorological Organization (WMO) has officially confirmed the longest single lightning flash ever recorded, stemming from a powerful storm in June 2017.