More than 160 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

Several cities in the eastern United States have faced record high temperatures due to a climate phenomenon known as the ...

The grueling conditions could also be a preview of what’s to come next summer when the United States, Canada and Mexico host ...

NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

As sprawling heat dome spawns temperatures above 100 degrees Fahrenheit across the eastern United States, one New England ...

Tuesday’s heat came on top of 39 new or tied heat records Monday. But just as dangerous as triple-digit heat is the lack of cooling at night, driven by the humidity.

A dangerous heat wave is gripping Hampton Roads through Wednesday, with temps in the 90s and heat indices up to 108 degrees.

Nearly 160 million people are under heat alerts from eastern Texas to Maine, as temperatures are forecasted to be as much as ...