A brutal heat wave has gripped the eastern part of the United States as tens of millions of people sweltered in record high ...

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

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

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

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

“Extremely dangerous heat persists across the Midwest and East Coast … affecting nearly half of the U.S. population at 161 ...

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

By ANNE M. PETERSON Substitutes who watch from the locker room, abandoned practice sessions and sweat-soaked jerseys. A heat ...

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

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