Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames warming temperatures, urbanization and other human actions.

An American Airlines plane collided with a military helicopter crashing into the Potomac River near Reagan National Airport ...

Live updates as Trump threatens tariffs on China, Mexico, Canada and BRICS countries. Follow the latest news on Cabinet picks ...

The deadly midair collision, involving an American Airlines passenger jet and an Army helicopter near Ronald Reagan ...

Transgender pilot speaks out after she was falsely identified as Black Hawk captain - None of the 67 passengers and crew are ...