The rare circular ice slabs spun, collided and collected in large eddies because of the prolonged cold weather.

D.C. Water is dropping crews and a 14-ton drilling rig just north of Great Falls in Virginia to gather samples for a future ...

The plane, a Bombardier CRJ700, collided in midair with the Sikorsky UH-60 Black Hawk helicopter about 9 pm while on approach ...

An American Airlines passenger plane has crashed into the Potomac River near Reagan National Airport outside of Washington, ...

The helicopter involved in the fatal midair collision on Wednesday night may have flown off its approved path, The New York ...

Great Falls Park is a treasure trove of ancient rocks, rushing water, and wildlife. And it's even lovelier in the winter.

The vehicle fell into the river from the bridge after colliding with another car Thursday evening, according to D.C.

Leaders from South Dakota have taken to social media to give statements on the deadly crash between a commercial flight and an Army helicopter near Washington, D.C.

Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge ... everything that falls on Monday will freeze Monday ...

rocky cliffs on the Potomac River south of Great Falls, seen on a winter day from the Virginia side of the river. Close up of St. Mary's Falls - St. Mary's Wilderness - George... A close up shot of St ...