Harold Ridley successfully implanted the world’s first artificial intraocular lens.

With black boxes in hand, investigators are now focusing on the actions of American Airlines Flight 5342 and an Army Black Hawk helicopter before they collided last week outside Reagan National ...

The training for U.S. military helicopter pilots is getting heightened attention following a midair collision between an Army ...

Col. Tim Zerbe, the State Army Aviation Officer at Pennsylvania National Guard, describes what it's like to fly a Black Hawk ...

In the days following the deadly midair collision between a Black Hawk helicopter and an American Airlines flight near Reagan National Airport, Col. Tim Zerbe, the State Army Aviation Officer at ...

Investigators have yet to determine whether the crew of an Army helicopter was wearing the devices when the Black Hawk ...

The 'Aftershock' of President Trump blaming the D.C. plane crash on 'DEI' ( Diversity, Equity and Inclusion) is not a shock ...

Investigators confirmed they have recovered a cockpit voice recorder and a flight-data recorder from American Eagle Flight ...

There were no survivors after a collision between an American Airlines passenger jet and an Army helicopter at Ronald Reagan ...

In order to enable safe flight, airspace is split into categories ranging from very tightly controlled areas around airports ...

The American Airlines plane operating as American Eagle Flight 5342 collided with an Army Black Hawk helicopter near Reagan ...

A helicopter uses its searchlight as it flies above the Potomac River near Ronald Reagan Washington National Airport ...