The National Weather Service has issued extreme heat warnings and heat advisories for large swathes of the South, Midwest and Northeast.

At least eight states were expected to see temperatures that would feel hotter than those in Death Valley—often referred to as the hottest place on Earth—on Wednesday, according to the National ...

Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess as the heat dome crushing the Eastern half of the nation sizzled to what should be its ...