Scientists have demonstrated that Wrinkle-lipped free-tailed bats not only travels great distances, but also hunt at impressive altitudes of up to 1,600 meters above ground -- the altitude at which ...

The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National Airport before its Black ...

The Army Black Hawk helicopter that collided with an American Airlines passenger plane was flying too high, according to the ...

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

According to an investigative update, the U.S. Army helicopter may have been flying more than 100 feet higher than permitted.