U.S. authorities said on Thursday it was not yet clear why a regional jet crashed into a U.S. Army helicopter at a Washington ...

Washington: New, clearer vision has emerged of the deadly midair collision between a passenger plane and a military ...

The US Federal Aviation Administration will restrict helicopter traffic around Ronald Reagan Washington National Airport in ...

Investigators are seeking clues into this week's deadly midair collision in Washington DC, the deadliest aviation disaster in ...