Oyster populations in the Chesapeake Bay are faring well, according to the Maryland Department of Natural Resources’ annual Fall Oyster Survey.

The once-in-a-generation spatset on the upper bars of the Potomac River appears to have survived the high freshwater flows of the winter and spring. Little mortality was observed, although their ...

Northern snakeheads were first found in a pond in Maryland in 2002; two years later, they were detected in the Potomac ... the Mississippi River system serves as a "giant freshwater highway ...

A woman was rescued by good Samaritans from the Potomac River after her car plunged into the water on Tuesday.

A driver who plunged their vehicle into the Potomac River Tuesday evening made it safely out of the water with some help from good Samaritans.

As seawater creeps further into coastlines, salt threatens to pollute the freshwater reserves that people depend on. But this ...

UTRECHT, Netherlands (AP) — The central Dutch city of Utrecht has installed a “ fish doorbell ” on a river lock that lets ... Without the help, native freshwater fish like bream, pike ...