Scientists have observed "coronae" on treetops for the first time, confirming the phenomenon occurs in the wild.

Tonight and Wednesday: Mostly cloudy skies this evening and overnight. Winds will be light. Clouds will keep temperatures on the mild side with lows in the mid 20s to the mid 30s.

For the first time, researchers have observed and measured weak electrical discharges, known as coronae, on trees during thunderstorms. A new study describes the near-invisible sparkles appearing ...

A breathtaking volcanic landscape rises above a sea of soft clouds during sunrise. Warm golden light highlights the rugged ...

Residents across Western New York were startled Wednesday night as thunderstorms rolled through the region — an unusual sight for mid-February. Many FingerLakes1.com readers reached out after hearing ...

Next up comes a fourth system, a bit different from the previous storms but traveling a similar path from the north. That ...

It was an odd mix above the East Bay early Thursday and to hear the National Weather Service tell it, much of the Bay Area.

There is no safe place outdoors during a thunderstorm. The only truly safe locations are inside a substantial building or inside a hard-topped vehicle with the windows closed. Don’t take chances with ...

That mega lightning strike, called a megaflash, started over Texas and stretched all the way to near Kansas City during a major thunderstorm in October 2017. The World Meteorological Organization says ...

Jefferson County has gone four full years without a tornado warning, reaching 1,461 days since the last alert was issued Feb.

A nationwide lightning report shows Texas ranked No. 1 in total flashes and thunderstorm hours last year. Here's where ...

HEBER SPRINGS -- Thursday was a rare time when I didn't mind falling in icy water.