Dangerous cold was forecast Tuesday from an Arctic air mass stretching from Portland, Oregon, to the Great Lakes.

Rain, snow and sleet fell across a 1,500-mile stretch of the eastern US Tuesday, with more than a foot of snow recorded ...

Crews have finished recovering the wreckage of a plane and helicopter that collided mid-air, killing 67 people.

The Potomac River is open again after federal recovery teams concluded their salvage operations following the deadly ...

Officials announced Tuesday that the section of the Potomac River that was impacted by the DCA crash has been fully restored.

The section of the Potomac River affected by the Jan. 29 midair collision of an American Airlines regional jet and a U.S.

Recovery efforts are ongoing on the Potomac River as the weather allows, according to the National Transportation Safety ...

Ten days after a passenger jet and a Black Hawk helicopter collided over the Potomac River near Washington, D.C., killing all 67 people on board, investigators have recovered most of the debris ...

(CNN) — All major pieces of the American Airlines plane and Black Hawk helicopter that collided last week in Washington, DC, have been recovered, the National Transportation Safety Board ...

A National Oceanic and Atmospheric Administration plane used a green laser Saturday to search the Potomac River for helicopter parts amid the investigation into the Jan. 29 collision. The NOAA ...

Six days ahead of schedule, officials on Tuesday announced the section of the Potomac River affected by the deadly collision ...