An American Airlines plane with 64 people on board collided with an Army helicopter over Washington, D.C., and crashed into ...

A deadly midair collision between an American Airlines passenger jet and a U.S. Army helicopter near Ronald Reagan National ...

Officials are examining black boxes from both aircraft and say they appear to be in good condition and may provide details on ...

A WSJ visual investigation breaks down the helicopter corridors, airport runway paths and light pollution that may have played a role in the fatal D.C. crash.

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.