An expert at the Scripps Institution of Oceanography explains the weather phenomenon that can wreak havoc across California.

A new rain storm is bearing down on California, including fire-ravaged Los Angeles, where residents are bracing for the ...

The closures come as other retailers are set to shutter locations across California, including nine Macy’s stores and 10 Kohl ...

Torrential rains and mountain snow began moving into California on Wednesday, bringing a high risk of flooding, landslides in burn-scar areas and power outages.

Southern California is in desperate need of rain, but it could come far too fast this week, especially in areas recently ...

An atmospheric river is expected to bring torrential rain to California this week, threatening parts of the state with flash ...

Footage from Hawaii shows a fountain of lava shooting out of Kilauea Tuesday morning, as the volcano continues its weeks-long eruption.

The robust storm system will swing waves of moisture up and down the California coast, including the already saturated northern part of the state, while also sending moisture inland, adding feet of ...

Areas charred by last month's wildfires in Southern California now face a new threat from a powerful, but fast-moving Pacific ...

As the Bay Area prepares for another round of storms, a new Stanford study explains just how much damage atmospheric rivers ...