Add Yahoo as a preferred source to see more of our stories on Google. A Penn State-led study reveals the hidden chain reaction that starts lightning, linking electrons, X-rays, and gamma rays. (CREDIT ...

The scientific community long assumed that to understand how lightning works, one needed a ...

"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 ...

You might think you’d be safe from lightning if a storm is far away. You’d be wrong.

Why Lightning Happens — And Why It’s So Dangerous. Meteorologist Matt Bullock explains.

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 ...

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 ...

Will Jones from Smithfield, North Carolina, sent me the above picture during Saturday evening's storms. Growing up, I always heard this called "heat lightning." Other WRAL Top Stories It wasn't until ...

His team combined advanced mathematical modeling with real-world observations to explain a powerful chain reaction inside storm clouds. This reaction links strong electric fields, high-energy ...