Investigators have recovered the cockpit voice recorder, commonly known as the black box, from the U.S. Army Black Hawk helicopter involved in the devastating mid-air collision that killed 67 people ...

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with insights into the ongoing investigation.

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