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

Over 140 million Americans will be under the highest-level extreme heat alerts by Sunday during a wave of above-average ...

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

A widespread heat wave is poised to engulf the central and eastern United States, potentially impacting 170 million people.

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

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

A significant and intense heat wave is set to engulf the central and eastern United States, delivering the highest ...

Temperatures are expected to soar into the upper 90s between Sunday and Wednesday, and the heat indices could exceed 100, ...

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 ...

As temperatures rise to dangerous levels across the state with the arrival of a heat wave, experts provide ways to stay safe.