The collision of a U.S. Army helicopter and an American Airlines plane over Washington D.C. has left many people stunned.

What happened inside the Army Black Hawk helicopter in the moments before the fatal crash is key to unraveling the disaster ...

In order to enable safe flight, airspace is split into categories ranging from very tightly controlled areas around airports ...

One of the air traffic controllers on duty was allowed to go home early, leaving just one controller in charge, according to ...

Sen. Tammy Duckworth, a former Blackhawk pilot, talked with CBS News' Nikole Killion about the midair collision of a plane ...

The helicopter was part of the 12th Aviation Battalion which is on an operational pause following the collision. It will ...

THE CEO of American Airlines has blamed a military helicopter for the devastating midair collision that killed 64 people in ...