A punishing heat wave will bring hot temperatures to eastern US and linger for several days, underscoring how climate change ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

A phenomenon called "corn sweat" could exacerbate the impacts of the extreme heat blanketing a large portion of the U.S., ...

At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.

The blast of heat prompted advisories across much of Massachusetts, Rhode Island, Connecticut, and in Southern New Hampshire ...

Sauna-like conditions on Friday are threatening to break records in major Northeast cities during summer’s hottest month ...

We'll get a bit of a break this weekend with temps back near normal Saturday. Although it may not be quite as hot, it will ...