The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to Washington, DC, bears the hallmarks of human-caused global warming. Hundreds of ...

A striking new phenomenon is emerging: distinct regions are seeing repeated heat waves that are so extreme, they fall far beyond what any model of global warming can predict or explain. A new study ...

Extreme heat is a killer and its impact is becoming far, far deadlier as the human-caused climate crisis supercharges temperatures, according to a new study, which estimates global warming tripled the ...

Waves from the Pacific Ocean break along the coast near the 60-ft high Victoria Beach Pirate Tower on a summer day on Sept. 19, 2025 in Laguna Beach, Calif. Waves from the Pacific Ocean break along ...

Just in time for summer, here comes the heat. "A dangerous, widespread heat wave will bake the central and eastern U.S., bringing the hottest temperatures of the year and uncomfortably muggy air to ...

New York City and the surrounding area saw the first heat wave of 2025 this week, as summer officially begins. Temperatures soared into the 90s Sunday and stayed there for days. Here's everything to ...

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high temperatures. A cold front brought cooler weather to the Northeast on ...

This week is starting out nice and summery - but then the heat comes and - and it will feel like it just keeps coming. A mini heatwave is in store for us later this week. And by Thursday, the “feels ...

Residents cool off at Butler Park during a heat wave in July 2023 in Austin, Texas. (Suzanne Cordeiro/AFP via Getty Images) An unseasonably sweltering heat wave is forecast to hit large swaths of the ...

Extreme heat warnings and advisories have been issued to more than 130 million people across the eastern U.S. this week. (National Weather Service) A dangerous heat wave continues to scorch a large ...