Ever seen red and green lights on a helicopter? Learn what they mean and how they help pilots navigate safely in the sky.

Law enforcement agencies use helicopters for surveillance, tracking, and transportation in traffic-choked cities. How fast ...

An 18-year-old and 16-year-old have been arrested in connection to two different armed carjackings in Northeast D.C.

The helicopter, which also had two police officer passengers on board, was flying at 1,800ft and travelling at 120 knots ...