The sprawling June heat wave that has gripped much of the U.S. has people looking for relief in public fountains, inflatable pools, lakes and even the spray from a firetruck.

It’s not a work of fiction. Outside the Portsmouth Main Library, the feel-like temperature hovered around 110 degrees, and ...

Millions of Americans face dangerous heat waves this week. Here are essential tips to stay cool and recognize signs of ...

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

Dangerous heat is leaving the Southern Tier, brining seasonal temperatures and storms in the latter half of the week ...

If you can’t afford to cool the whole house, make a “cool space” to sleep in, because experts say the best defense against ...

Numerous cities along the East Coast broke or tied heat records as temperatures soared to triple digits on Tuesday.

“Really, your body’s not able to regulate its temperature effectively, i.e. cool down despite the external temperature. So ...

Central Pennsylvania is experiencing a dangerous heat wave with record-challenging temperatures and increasing chances of ...

"Whatever was already going to happen ... all that is still going to happen. But when it happens, it's going to be worse." ...

A life-threatening heat wave has enveloped the East Coast, hitting cities with the worst of the high temperatures on Tuesday ...

More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...