Investigators vow to 'leave no stone unturned' in probe of deadly mid-air collision - Officials say there are no survivors among the 67 passengers on the aircrafts that collided above Washington, D.C.

The NTSB is an independent federal agency responsible for investigating all civil aviation accidents and other serious ...

The FAA has restricted helicopter traffic near Washington Reagan National Airport following a deadly collision between an ...

A military helicopter and passenger jet collided midair on Wednesday night near Reagan Washington National Airport, according ...

NTSB investigators are in the initial stages of a probe into a crash between a passenger plane and a helicopter just outside ...

An investigation is under way into the deadliest US air disaster since 2001, as authorities confirmed that there were no ...

The Washington Post reported on Thursday. The Republic Airways flight 4514 did land safely, the Post reported, citing flight tracker maps. The road around Hains Point, near the section of the ...

"Given the drugs’ newness and skyrocketing popularity, it is important to systematically examine their effects on all body systems — leaving no stone unturned — to understand what they do ...

The two ‘black boxes’ have been recovered from the wreckage, with a cockpit voice recorder and a flight data recorder taken for lab analysis ...

So far, 40 bodies have been recovered from the Potomac River near Washington, D.C., as the names ... people that we are going to leave no stone unturned in this investigation.” ...

An Army Black Hawk helicopter collided with a regional jet near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.