River herring and striped bass have dramatically declined in the Potomac, he noted. He is also examining how long-lasting, polyfluoroalkyl substances (PFAS) affect fish, and has found PFAS in two ...

The DC Water and Sewer Authority's Potomac Interceptor sewer line at Manhole #31, approximately 400 feet (just more than a football field) from the Potomac River, and varying proximity to 18 ...

Friday marks the 50th anniversary of the release of the movie Jaws, a film that would go on to make countless people think ...