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 ...

Rain and snow returned to Northern California on Tuesday, and another day with active weather is forecast for the Sacramento region on Wednesday. The high country will continue to see snow, but it ...

Breezy and beautiful Thursday with Pt. Cloudy skies. Clouds thicken on Friday but sill mild. OKC rain/storm chances increase ...

Forecasters expect scattered showers and thunderstorms to develop late Saturday and into Sunday. While most storms will ...

The first of two rain systems that have shifted the Bay Area’s dry pattern into a wet one continued on a slow pace Wednesday, circulating moisture south toward its origin while continuing to sprinkle ...

Weather warning: Elevated fire danger and strong storms expected on Sunday. Stay updated with Severe Weather Center 9 for latest information.

Record challenging temperatures possible Thursday ...

Inside a charged storm cloud, they become something else entirely. As the electric field pushes electrons faster and faster, they slam into air molecules such as nitrogen and oxygen. These collisions ...