Investigators so far have highlighted several factors that may have contributed to the collision, which left 67 people dead.

The National Transportation Safety Board will wrap up its public testimony about the fatal midair crash between an Army ...

Friday was the final day of the National Transportation Safety Board's (NTSB) three-day hearing on the deadly plane crash at ...

Air traffic controller failed to notify commercial plane crew about approaching Army helicopter before Washington D.C.

The National Transportation Safety Board is launching a three-day investigation hearing on the D.C. plane crash that left 67 ...

The NTSB continued its hearings Thursday into the deadly air collision between a military aircraft and a passenger jet.

The new details were part of thousands of documents -- including new video from the end of the runway showing the crash -- the National Transportation Safety Board released.

An emotional three days of hearings into the January midair crash between an Army helicopter and a passenger jet wrapped up ...

The NTSB showed the harrowing video of the Jan. 29 crash over the Potomac River as the agency kicked off a three-day hearing ...

The communications between pilots and air traffic control were laid out in a visual timeline in Day One of the NTSB ...

It's been six months since 67 people were killed in a midair collision over the Potomac River, and now lawmakers say they are ...