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 ...

Federal investigators in the United States are trying to determine the cause of a deadly plane crash over Washington DC.

Local officials in the Washington, D.C. area give updates on recovery efforts after the deadly aircraft collision near Ronald Reagan Washington National Airport.

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

Investigators are seeking clues into the deadly midair collision earlier this week that now stands as the deadliest aviation ...

The 1982 crash happened moments after takeoff in icy conditions in roughly the same place as Wednesday's collision between a jet and Army helicopter.

An American Airlines regional jet went down in the Potomac River near Ronald Reagan Washington National Airport.

While authorities focus on the cause of the US's deadliest aviation disaster since 2001, families are mourning their loved ones. Here's the latest.

A passenger jet hit an Army helicopter with three soldiers as the plane got ready to land at Reagan National near Washington, ...

A midair collision between an Army helicopter and a passenger jet killed all 67 people aboard the two aircraft, officials ...

Officials say no survivors are expected after an American Airlines flight with 64 people onboard collided mid-air with a ...

Midair collision at Ronald Reagan Airport results in 67 fatalities; investigations commence to find the cause.