Feb. 11 (UPI) --The Potomac River is open again after federal recovery teams concluded their salvage operations following the deadly collision between a commercial airliner and a U.S. Army ...

(AP) - A riverkeeper who routinely patrols for the environmental group Potomac Riverkeeper Network ... into a pair of shallow coves along the Maryland shore. Naujoks recovered a piece of the ...

U.S. Coast Guard Petty Officer 3rd Class Corbin Singleton, left, and Petty Officer 2nd Class Lance Ide, boatswain’s mates at Station St. Inigoes, respond to the aircraft collision on the Potomac River ...

This $615 million project is key to cleaning up the Potomac River. When heavy rain strikes a centuries-old neighborhood in Alexandria, Va., the city’s pipes can’t handle the volume.

In this image provided by the U.S. Coast Guard, wreckage is seen in the Potomac River near Ronald Reagan ... into a pair of shallow coves along the Maryland shore. The wreckage included pages ...

A large urban park extending from the Washington, D.C.-Maryland border to the Potomac River, Rock Creek Park is a destination for an expansive array of outdoor activities. It has more than 32 ...