Findings indicate that altering glucose metabolism in T cells boosts their therapeutic potential against melanoma, paving the ...

Around 4 p.m. Thursday at Reagan National Airport, all four TVs at the U Street Pub in Terminal 2 were streaming live coverage of the fatal plane crash that occurred just outside the windows the ...

Emergency teams will continue efforts to retrieve the bodies of those who died when a passenger jet and helicopter collided.

There were a dozen fatal crashes during Army Black Hawk training missions since January 2014 that claimed the lives of 47 service members.

A midair collision between an Army helicopter and an American Airlines flight from Kansas killed all 67 people aboard the two aircraft. That was the word from authorities Thursday as ...

A midair collision between an Army helicopter and an American Airlines flight killed all 67 people aboard the two aircraft, ...

A midair collision between an Army helicopter and an American Airlines flight from Kansas killed all 67 people aboard the two ...

There were no survivors after a collision between an American Airlines passenger jet and an Army helicopter at Ronald Reagan National Airport near Washington, D.C. The plane carried 60 passengers ...

There wer no survivors after an American Airlines jet and an Army helicopter collided at Ronald Reagan National Airport near Washington, D.C. The plane carried 60 passengers and four crew ...

An American Airlines jet with 60 passengers and four crew members aboard collided Wednesday with an Army helicopter while landing at Ronald Reagan National Airport near Washington, D.C. Three soldiers ...