They have been recorded in the freshwater of the Mississippi River, the Potomac River, and nearly 2,000 miles upstream in the Amazon River. The recent study done by Shell and Gardner officially ...
WASHINGTON — Officials say the Potomac River is safe to navigate once again after a plane and helicopter collided mid-air near Ronald Reagan Washington National Airport (DCA) and crashed into ...
Pet owners are being advised to keep their animals away from parts of the Potomac River after potentially ... blooms are most ...