More than a quarter of our planet's natural "geomorphs" -- animals such as beavers and hippos that, collectively, can reshape ...

WASHINGTON — Officials say the Potomac River is safe to navigate once again after a plane and helicopter collided mid-air near Ronald Reagan Washington National Airport (DCA) and crashed into ...

“We’ve been flying drones repeatedly on swaths upstream and downstream, looking at the changes in the river since the dam ...

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 ...

State wildlife officials want federal regulators to require a management plan that minimizes fish kills, the stranding of ...

Payton McNabb, who has lobbied for a ban on transgender athletes in women’s sports, and the family of Laken Riley, killed ...

HARTFORD, Conn. (WFSB) - The family of a Connecticut man killed in a midair crash of an American Airlines regional jet and a military helicopter over the Potomac River have filed a lawsuit.

WASHINGTON (7News) — Recovery efforts following the midair collision are ongoing along the Potomac River as the weather allows, according to the National Transportation Safety Board (NTSB).

Last June, the U.S. Army Corps of Engineers, which operates a series of dams in Oregon's Willamette River Basin, missed a deadline set by Congress to produce a report on how the dams are affecting ...