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

Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

An American Airlines regional passenger jet and a U.S. Army Black Hawk helicopter collided midair and crashed into the ...

The BriefA passenger jet collided midair with a military helicopter near Reagan Airport, leaving everyone on board feared ...

To help plan it all out, the US military does what's called a "Rehearsal of Concept" (ROC) drill — which involves using a massively large map to plan the entire inauguration process. Follow Tech ...

That's the same flight path that that plane and helicopter crashed last night on. Now, many have been wondering how did all ...

A desperate search is underway for survivors after the American Airlines plane crashed into the Potomac River near Ronald ...

Washington, D.C. officials have now positively identified 66 of the 67 people killed in Wednesday's midair collision between ...

Find out the location of Washington Dulles International Airport on United States map and also find out airports near to Washington, DC. This airport locator is a very useful tool for travelers to ...