Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

A First Alert will be in effect for the entire Philadelphia region on Friday, July 25 between Noon and 9 p.m. for severe ...

At least 130 million people from Texas to Maine are under alert for dangerous heat and humidity over the next few days.

The Northern Liberties Night Market was canceled after organizers said they couldn't afford the city's rising costs.

In justifying the United States' rejection of updates to global health regulations, the Department of Health and Human ...