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

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

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

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 ...

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

The National Weather Service has warned of "searing heat and oppressive humidity that occurs during the 'dog days of summer'.

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

July has already been more humid than average, and now another, less obvious factor will enhance humidity this week: corn ...

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.

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.

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