NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major ...

Duquesne Light said Wednesday's severe weather and extreme heat could lead to power outages in the Pittsburgh area.

Furnace-like heat and the threat of thunder and lightning are wreaking havoc at the Club World Cup -- and more of the same is ...

U.S. regional electric grid operators scrambled to avoid rotating blackouts on Tuesday, preserving razor-thin power ...

Extreme heat makes it especially hard for your body to cool down, so you need to be extra careful if you exercise or play ...

Extreme heat is making air pollution worse, scientists say. And President Trump’s regulatory rollbacks could drive air ...

As tens of thousands of people braced for more extreme heat on Tuesday, authorities and public health experts in the United ...

But a couple thousand, mainly in Oneida County, still remained without power amid record-breaking heat. The renaming ...

Nearly 160 million people are under heat alerts from eastern Texas to Maine, as temperatures are forecasted to be as much as ...

"The road exploded and rose over 18 inches, sending a car airborne," said Albert Blackwell, who captured the moment on video.