All aboard two aircraft were killed, with officials examining the actions of a military pilot as well as air traffic control ...

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

No one survived Wednesday night's collision between a commercial airliner and an Army helicopter. The remains of 41 people ...

Police boats combed the banks of the Potomac River on Friday, slowly scanning the shoreline in the rain as investigators sought clues into the midair collision that killed 67 people and raised ...