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 ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds between 12 p.m. and 8 p.m. on June 24 between Washington, D.C., and New ...

A “heat dome” of high pressure has settled in over the central and eastern United States, sending temperatures soaring into ...

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

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

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

An extreme heat wave has made its way over to the East Coast of the United States this week. The conditions in Maryland, ...

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