Federal employees across multiple agencies have been directed to remove pronouns from their email signatures. The move stems ...

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 airport, killing 67 people in the deadliest U.S. air disaster in more than ...

Crews work to find remaining victims as investigators recover black boxes - None of the 67 passengers and crew are believed ...

The US president says the army Black Hawk involved in Wednesday's collision was above the 200ft altitude limit for ...