The biggest source of salty freshwater in D.C. and other major northern inland cities is an overapplication of road salt to thaw winter ice, which runs off into rivers or the ground.

Sharks are showing up in freshwater rivers, leaving scientists searching for answers. While some species, like bull sharks, have adapted to tolerate fresh water, their increasing presence raises ...

Dive into California's freshwater fun beyond the ocean. Explore the Colorado River, Lake Tahoe, Lake Mead, and hidden Southland lakes.

Flexi-Jig available here: <a href=" Hello folks! This week we're coming at you from the waters of the Detroit River. We've baited up with the brand new Flexi-Jigs loaded with finesse-fish, and we jig ...

Although freshwater environments, from creeks to rivers, brim with more than 10,000 species of fish, we may never get the chance to see many of these mysterious creatures as their populations decline.

Few freshwater fish can match the size of the Mekong giant catfish, which can exceed 10 feet and weigh over 660 pounds. Native to the Mekong River, this gentle giant feeds on plankton rather than ...

A group of environmental scientists serving the Delaware River near Pennypack Creek found about 120 freshwater mussels in the riverbed. The mollusks play important roles in improving water quality ...

Many residents who live along the river in Croom have been trying to mitigate additional flooding as much as possible as well, but there is ongoing flooding in this area. The Withlacoochee River at ...

Our most detailed look yet at the strange lakes of Saturn’s moon Titan has revealed a diverse seascape, similar to Earth’s combination of freshwater rivers and salty oceans. Radar measurements ...