The National Transportation Safety Board says the helicopter must be recovered from the Potomac River so it can get more ...

Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...

Data retrieved from an investigation into a collision last week between an American Airlines regional passenger jet and a U.S ...

Wind gusts and tidal conditions could slow recovery operations today after the midair collision of a passenger plane and ...

NASA scientists have been tracking an alarming acceleration in landslides on the Palos Verdes Peninsula in California, where ...

Flight data posted online appears to show another Army helicopter flying higher than the maximum altitude allowed around ...

Drivers who speed through highway construction zones are apt to find themselves getting a photo radar ticket starting in ...

The residential area shifted toward the Pacific Ocean as much as 4 inches — per week — during a four-week period last fall.

Radar evidence proves that the Black Hawk helicopter was not flying low enough during collision with American Airlines Flight ...

The US State Department approved a potential FMS of AN/TPS-78 Long Range Radar systems to Egypt, with an estimated value of ...