It will continue to get harder to ensure there’s enough drinking water from the Potomac River, according to a group that ...

The Interstate Commission on the Potomac River Basin says there is a below normal probability of needing to release back up ...

More to Do to Clean Up the Potomac River Stormwater runoff from urban and suburban areas is the major, fastest-growing culprit today polluting the Potomac River.

Tamanend bottlenose dolphins are seasonal visitors to the Chesapeake Bay and Potomac River. They are a coastal population of ...

At their closest points, helicopters and planes routinely flew within 75 feet near the airport, according to the NTSB.

As hearings unfold into the fatal January plane-helicopter collision near D.C., investigators say the FAA ignored clear ...

The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

Army Secretary Daniel Driscoll gave an apology to family members of the crash victims in a private meeting, for both the Army ...

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

It is the second of three days of witness testimony and public inquiry by the National Transportation Safety Board into ...

The National Transportation Safety Board is continuing to investigate a fatal midair crash at Ronald Reagan Washington ...