An American Airlines jet and a U.S. Army helicopter plunged into the Potomac River after a midair collision Wednesday night ...

The Post spoke to several aviation experts about a number of factors that may have contributed to the fatal collision.

Travel direction from New York City to Washington is and direction from Washington to New York City is The map below shows the location of New York City and Washington. The blue line represents the ...

Arctic air is set to bring bone-chilling temperatures across much of the U.S. in the coming days, making for a far colder-than-average Inauguration Day. How cold will it get?

Map showing Smithsonian museums located around the perimeter of the National Mall in Washington, D.C., from 3rd to 15th Streets between Constitution and Independence Avenues, approximately 1 mile (1.6 ...