Top US officials said a military helicopter was on a regular training mission when it collided with a civilian airliner over ...

As many as 60 passengers and four crew members were aboard American Eagle Flight 5342, and the Black Hawk helicopter was ...

New wonder material designed by AI is as light as foam but as strong as steel ...

Get all the news you need in your inbox each morning. The deaths came after the passenger jet was preparing to ...

The investigation into the deadly crash near Washington, D.C. is ongoing. Former Army Black Hawk pilot and senior director ...