A widespread marine heat wave and brewing El Niño could further threaten California kelp, sea birds and marine ecosystems.

California is about to get an early taste of summer — as a brutal early-season hate wave is set to envelope the Golden state. Forecasters are warning temperatures could soar 20 to 30 degrees above ...

A marine heat wave is warming California’s coast, driving seabird starvation, ecosystem stress and record ocean temperatures.

Something unusual and with far-reaching consequences is lurking in the sea off the California coast, stretching all the way down the Baja Peninsula and more than 500 miles to the southwest. In this ...

A severe heat wave is impacting the southwestern U.S., with temperatures expected to peak on Thursday and remain high through the weekend. Excessive heat warnings are in effect for much of Southern ...

California’s coastal waters are experiencing a marine heat wave, with record or near-record ocean temperatures reported along ...

Over the past several months, an intense marine heat wave has developed in the Pacific from Washington to Baja Mexico, with a particularly extreme hot spot between the Bay Area and San Diego. Ocean ...

California marine heat wave drives seabird die-offs and marine mammal stress as ocean temperatures spike off West Coast. Will El Niño change it?

The scorching heat wave smashing California has caused a surge in people stumbling on rattlesnakes as shocking video surfaces out of San Diego County of one swimming across a pool. A Rancho Santa Fe ...

An unusual October heat wave — still yet to peak across California — has already set records across the state and brought unseasonably hot weather to cities all across the state from Redding through ...