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

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

More than 160 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 ...

Temps are soaring in cities across the Atlantic coast, where some cities are reaching 100 degrees with heat indexes ...

Large swaths of the country were broiling under a heat dome, worsened by a humid atmosphere that’s circling the East.

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

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

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

Paramedics in Washington, D.C., burned through their supply of ice packs on Tuesday, and residents cranked up the ...