A medical transport jet crashed in Philadelphia on Friday about 30 seconds after taking off, setting homes ablaze, strewing ...

A midair collision between an Army helicopter and a passenger jet killed all 67 people aboard the two aircraft, officials said, as they search for answers in the nation's deadliest aviation disaster ...

A collision between an American Airlines passenger jet and an Army helicopter near Washington, D.C., that killed 67 people brought renewed focus on the federal agency ...