The collision over the Potomac River occurred at 8:47 p.m. Eastern time on Wednesday, according to publicly available flight-tracking data. D.C. police had earlier estimated the time of the ...

Once it is, organizations such as the Potomac Riverkeeper Network could use the existing models and maps of the river to pinpoint locations in the river where the water still might contain ...

On April 9, Connor Lynch, an angler fishing on the Potomac River near Fletcher’s Cove, hooked and released a shortnose sturgeon, a fish not seen in the river since 2007. The Potomac Riverkeeper ...

WASHINGTON — As floodwaters from this week’s torrential rains begin to recede, they are leaving behind a grim aftermath along the Potomac River: vast rafts of logs, twisted lumber, household ...