In several cities, including New York, Boston and Philadelphia, temperatures have hovered in the upper 90s, with heat indices ...

Child safety advocates are warning about the dangers of heatstroke from leaving kids in hot cars. Experts say vehicle ...

A powerful storm system is heading toward Florida, threatening Fourth of July celebrations with heavy rain, strong winds, and dangerous beach conditions.

A system of low pressure could develop near Florida or off the southeastern coast of the U.S. over the Fourth of July weekend ...

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the air-conditioning as far north as Maine, as parts of the East Coast endured the hottest ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...

A potentially life-threatening heat wave hit the East Coast of the United States on Monday, with temperatures expected to ...

Asian needle ants, now in 19 states from Florida to Washington, can cause severe allergic reactions and even death with a ...

One Florida city, Tampa, came in at No. 1 on the list, with another in the top 10 at No. 3 and a third squeaking into the top ...