The airspace around Washington, D.C., is congested and complex — a combination aviation experts have long worried could lead ...

First spotted last month by a telescope in Chile, the near-Earth asteroid — designated 2024 YR4 — is estimated to be 130 to ...

A midair collision between an Army helicopter and an American Airlines flight from Kansas killed all 67 people aboard the two aircraft. That was the word from authorities Thursday as they scrutinized ...