A potentially life-threatening heat wave enveloped the eastern third of the United States on Monday impacting nearly 160 million people, with temperatures this week expected to reach 39 degrees ...

A sweltering heat wave is keeping over 120 million Americans and 28 states in the United States under alert for dangerously ...

About 128 million Americans from Louisiana to Maine are under heat advisories Wednesday amid a severe heat wave impacting much of the U.S. But some are expected to get some relief starting Thursday.

It’s the hottest time of the year in the United States and another heat dome is about to make millions of people feel every ...

Millions of Americans are under heat alerts Monday as a heat wave brings triple-digit temperatures or heat indices to nearly ...

A dangerous heat wave continues to scorch a large part of the United States, with more than 130 million people under extreme ...

We're in the middle of summer, and that means thermometers are working overtime around the country. It's normal to be warm ...

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

JACKSONVILLE, Fla. — A prolonged and dangerous heat wave is gripping the eastern half of the United States, setting daily temperature records and bringing a surge in heat-related illnesses.

Three Democratic lawmakers have proposed legislation to classify extreme heat as a disaster, which would allow federal ...

Extreme humidity and triple-digit temperatures are affecting around 250 million people across the United States. Here's the science behind the heat dome that’s stifling the nation.