A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

A rare and dangerous heatwave is sweeping across the United States, pushing temperatures into the triple digits across major ...

Cities across the eastern and central United States are bracing for more days of extreme temperatures as a unusual June heat ...

Tens of millions of people across the Midwest and East endured another sweltering day of dangerously hot temperatures Sunday ...

As the official start of summer arrives, the United States is being hit by a dangerous heat wave, making this the first ...

Extreme humidity and heat will affect around 265 million people across the country this week. Maps show where and when to ...

Cincinnati Reds shortstop Elly De La Cruz and Seattle Mariners reliever Trent Thornton got sick Saturday while playing in the ...

President Donald Trump’s decision to strike three nuclear sites in Iran will almost assuredly draw more criticism from some ...

St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

Record-smashing daytime temperatures near 100 degrees are expected for millions from the Plains to the East Coast this week, ...