More than 40 million people in the U.S. were under heat alerts Friday, according to the National Weather Service.

Remarkable contrast, once again, between near-record warmth inland & mountains but near or cooler than average coast in May-June ...

Just 75 miles outside of the Washington, DC metro area, Shenandoah National Park offers a forested escape. Running for 105 ...

Up to 24 inches feet of snow are forecast to fall across higher elevations of Glacier National Park this weekend.