DOT launches audit into FAA's DCA airspace oversight after deadly Potomac mid-air collision, probing ADS-B exemptions and ...

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

The first of the National Transportation Safety Board’s three days of investigative hearings is underway to help determine ...

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

A Spirit of Washington lunch cruise boat took on water in the Potomac River shortly after leaving the D.C.'s Wharf on a test ...

Loved ones of Washington, D.C., plane crash victims wore photos of their late friends and family members as they attended the ...

Tests raised questions about whether instruments in an Army Black Hawk helicopter may have led pilots to believe they were at ...

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

The gust shredded an anchored umbrella, hurled Adirondack chairs into the Potomac and flipped a canoe on an otherwise tranquil summer day.

The Potomac River is in the middle of a comeback and is much cleaner than it used to be. There’s been great progress to clean up the “Nation’s River,” but pollution remains a problem.

Think of this the next time you kayak, drive over, run by or, simply, stare at the Potomac River: Its ruin would cost the D.C. region nearly $15 billion in the first month, according to a report ...

If the Potomac River has gotten more attention than the Anacostia in the past 50 years, it’s partly because the Potomac supplies 90 percent of the region’s drinking water. That amounts to an ...