Authorities are combing the Potomac River for a second day in search of victims and more clues behind the deadliest U.S. air crash in over 20 years.

Divers are expected to return to the Potomac River as part of the recovery and investigation after the United States' deadliest aviation disaster in almost a quarter century.

The American Airlines plane and an Army helicopter collided as the plane was landing Wednesday night at Ronald Reagan ...

The Federal Aviation Administration is significantly restricting helicopter traffic in the immediate vicinity of Washington Reagan National Airport, according to an official briefed on the matter.

An American Airlines plane and an Army helicopter collided Wednesday night near Ronald Reagan Washington National Airport.

Moments leading up to American Airlines Flight 5342 crash at Reagan Washington National Airport could suggest what caused the ...

A former House Transportation Committee chair says Congress could bear some blame for congestion that may have contributed to the midair collision over the Potomac.

The next steps in the fatal midair plane and helicopter crash investigation. And, why nuclear testing could ramp up in the U.S., as well as a look inside the secret lab where weapons testing happens.

New footage has emerged of the mid-air collision between an American Airlines passenger jet and a military helicopter. Details are also being revealed of the events around the crash - including that ...

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

The National Transportation Safety Board said the cockpit voice recorder and flight data recorder from the American Airlines jet that collided with the Black Hawk helicopter have been recovered from ...

As many as 60 passengers and four crew members were aboard American Eagle Flight 5342, and the Black Hawk helicopter was ...