The rare circular ice slabs spun, collided and collected in large eddies because of the prolonged cold weather.
A massive search operation is underway after a passenger aircraft carrying 64 people collided midair with a US Army Black Hawk helicopter near Reagan National Airport outside of Washington, DC, ...
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 ...
DC Emergency vehicles and crews search the Potomac River near Reagan Washington National Airport after deadly plane crash ...
A Boeing 737 crashed into a bridge over the river on Jan. 13, 1982, just after taking off from Washington National Airport in a snowstorm.
The collision between an Army helicopter and an American Airlines flight from Kansas killed all 67 people aboard the two aircraft, officials said.