The next steps in the fatal midair plane and helicopter crash investigation. And, why nuclear testing could ramp up in the ...

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.

Latest news and live updates after an American Airline jet collided with a Black Hawk helicopter over the Potomac River.

An American Airlines passenger jet and a US Army Black Hawk helicopter collided in midair near Ronald Reagan Washington National Airport ...

The helicopter was part of the 12th Aviation Battalion which is on an operational pause following the collision. It will ...

Officials are expected to release a flight manifest Friday with a list of those on board the American Airlines jet carrying ...

The National Transportation Safety Board said the cockpit voice recorder and flight data recorder from the American Airlines ...

Air crash investigations can take months, and federal investigators told reporters they would not speculate on the cause.

During a press conference on Thursday morning, Transportation Secretary Sean Duffy said the crash was "absolutely" preventable.

An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National ...

An NTSB-led investigation is in full swing to identify factors that led to the Jan. 29 midair collision between an American ...

The FAA and NTSB have launched an investigation into how an American Airlines flight collided with a military helicopter over ...