An American Airlines plane with 64 people on board collided with an Army helicopter over Washington, D.C., and crashed into ...

America is home to stunning, diverse landscapes, including snow-capped mountain peaks in the clouds. Majestic mountains tower ...

Recovery crews and divers searched the Potomac River for remains and cleared wreckage Saturday from the midair collision of a ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

A timeline of the tragic collision between a commercial plane and a Black Hawk helicopter over the Potomac River, with ...

The airspace above Reagan National Airport, where a commercial plane collided with an Army helicopter this week, has become ...

A 3D rendering shows the approximate altitude and paths of the plane and helicopter moments before the collision.

Investigators are searching for answers after the midair collision that killed 67 people near Washington, D.C.

That's the same flight path that that plane and helicopter crashed last night on. Now, many have been wondering how did all of this happen? Why did it happen? And we at the National Investigative Unit ...

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Unless you happen to be a topography expert, it may be difficult to know the exact elevation of your neighborhood. Here's a tool to help.