More than 125 million Americans are under the highest level of extreme heat alerts during a wave of above-average ...

An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States June 23, affecting tens ...

The deadly heat wave across the eastern half of the country has made for some scary situations. Tens of millions in major ...

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

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

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

More than 37 million Americans are under heat advisories across the U.S., according to the National Weather Service. Here's ...

New York’s Central Park tied a record high of 96 degrees for the date Monday, which was set in 1888. In neighboring New ...

Tens of millions of Americans sweltered outside or sought air-conditioned refuge as an "extremely dangerous" heat wave ...

Extreme heat is only becoming more common. In the United States, heat waves now occur three times as often as they did in the ...

A dangerous heat wave is currently baking the eastern two-thirds of the United States with extreme temperatures in the mid-to ...

Heat waves are primarily caused by high-pressure systems that push warm air down onto an area and hold it there. During heat ...