Through maps, videos, photos and radio transmissions, CNN is piecing together what occurred during the deadly, midair collision.

Experts say the deadly incident poses grave questions about how a collision was able to happen over the US capital.

A pilot's theory about the cause of the crash between an American Airlines jet and a military helicopter has quickly gone ...

The crash occurred in a difficult to navigate airspace. Flight data, video and air traffic control audio reveal details leading up to tragedy.

A few minutes before the jet was to land, air traffic controllers asked American Airlines Flight 5342 if it could do so on a ...

Take a flight high above Dublin, Ireland’s vibrant capital, capturing its rich history, stunning architecture, and lively cityscape. This captivating drone footage highlights iconic landmarks, ...