A regional jet carrying 64 people collided with an Army Black Hawk helicopter. Reagan National Airport grounded all flights.

Rescue craft are in the Potomac River below the site of the collision with D.C. fire chief John Donnelly saying "we don't ...

Matthew Porteous faces five charges related to the incident that saw a helicopter crash into Shuswap River near Mabel Lake, ...

Investigators will be looking at everything from air traffic communications to technology failures that may have contributed ...

More than 30 bodies have been recovered, two sources told NBC News, and a frantic search and rescue mission to find crash ...