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.

Summer is just getting started, and millions of people are under heat advisories as a major heat wave spreads across the ...

Hot weather on Wednesday means the Philadelphia region could break another temperature record as this heat wave continues ...

A massive heat dome that sparked the first major heat wave of the summer brought record-breaking temperatures to cities from ...

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

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

The shelter relocated many animals to other facilities and foster homes while working to repair their cooling system amid ...

Ace Bailey fidgeted with a red yo-yo, catching the eyes of members of a media horde that pressed the former Rutgers star to ...

A “heat dome” of high pressure has settled in over the central and eastern U.S., sending temperatures soaring into the 90s in ...

Heat waves like this one can put people at risk of heat exhaustion or the even more serious condition of heat stroke.

The sprawling June heat wave that has gripped much of the U.S. has people looking for relief in public fountains, inflatable ...