A record-setting marine heat wave stripped huge portions of Florida's coral reef of their colors in 2023, triggering the ninth and worst mass bleaching event in the Caribbean. Temperatures soared for ...

Water temperatures several degrees above normal span thousands of miles, though they have mostly stopped short of the Pacific Northwest coast. Cool water welling up from the depths is thought to be ...

A massive heat wave is hitting the Pacific Ocean from Kamchatka to California. Water temperatures several degrees above normal span thousands of miles, though they have mostly stopped short of the ...

The June 2023 heat wave in northern European seas was "unprecedented but not unexpected," new research shows. During the heat wave, temperatures in the shallow seas around the UK (including the North ...

The Northeast Pacific ocean, off the U.S. West Coast, is experiencing its fourth-largest marine heat wave since record-keeping began in 1982. “The extent of the current Pacific marine heatwave should ...

From seabirds to sea lions, wildlife along the California coast are now facing “the Blob,” a massive marine heat wave that’s become a recurring anomaly since the early 2010s. The oceanic phenomenon ...

A heat wave is impacting the Pacific Northwest, with temperatures in the upper 80s to over 100 degrees in Washington. Warm nights are a concern as they prevent the body from recovering from daytime ...

More than 30 million people are under extreme weather alerts Sunday as a sweltering heat wave lingers across the West. Excessive heat warnings and watches were effective in parts of California, Oregon ...

The oppressive heat wave broiling California and much of the West will continue to bring dangerously hot temperatures — and likely more record-breakers — for even longer than forecasters first ...

The longest, most intense heat wave since the summer solstice settled into its prime on Thursday, and weather forecasters said it was more impressive than first anticipated. That much was apparent as ...

The season’s most dangerous heat wave has arrived in Southern California, and yet many workplaces are not prepared. So says a new report by job safety advocacy nonprofit Worksafe that surveyed about ...

Long-term watches and warnings have been issued across most of Southern California in anticipation of the extreme heat and fire danger set to hit the region on Wednesday. “This is a nasty forecast for ...