NWS flood alerts span large portions of California on Friday after an atmospheric river system hit the area over Christmas.

Heavy snow and strong winds accompanied an atmospheric river over parts of California. These maps show snow totals.

A 10-foot sea level rise would leave a significant number of U.S. coastal cities "uninhabitable," J. Derek Loftis told Newsweek.

Fires sparked by Labor Day lightning storms brought a jolt of activity to California’s fire season, which has been comparatively mild over the summer. Related Articles Infographic: How the land was ...

A California Geological Survey map released earlier this year depicts just how intense and damaging the shaking from future earthquakes will be across the state, revealing where the threat is most ...

LOS ANGELES (AP) — California voters approved new congressional district boundaries Tuesday, delivering a victory for Democrats in the state-by-state redistricting battle that will help determine ...

The redistricting plan taking shape in Sacramento and likely headed toward voters in November could shift the Golden State’s political landscape for at least six years and determine which party ...