Killer whales, including calves and juveniles, travel in their family group in the Gulf of Alaska in June 2025. It’s well documented by now that the marine heatwave that hit the Pacific Ocean in 2014 ...

La Niña is gone, but its effects linger as scientists watch for El Niño and the possible return of “the Blob” ocean heat wave ...

Millions in the West are facing heat watches and warnings as a dangerous heat wave grips the region, increasing fire risks amid dry conditions. Parts of California, Oregon and Washington state will ...

March 2026 featured three severe weather outbreaks, a record-smashing blizzard, a heat wave that rewrote the early-spring record books, two Hawaii soakings, a shivering 49th state and a separate ...

In Arizona, public health officials warn extreme heat in Maricopa County has led to the suspected deaths of over 400 people so far this summer. August is on track to be Phoenix’s hottest on record, ...

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

A record-setting marine heat wave spanning 5,000 miles from Alaska to Baja California is driving sea surface temperatures up to 8°F above average, with scientists warning of major ecological and ...

The calendar says October, but it’s about to feel more like August across a stretch of central states. From areas around Omaha and Minneapolis to Chicago and Detroit, temperatures will soar well into ...