The byproducts of modern society appear to be messing with the love life of two tiny fish species that have long coexisted in ...

The lakes, streams and ponds you’ve visited for years are likely looking more brown than they used to. And people who are ...

Environmental DNA from rivers worldwide reveals how climate boosts fish diversity—and how human activity is disrupting that ...

Smaller fish species are more nutritious, lower in mercury and less susceptible to overfishing, a Cornell-led research team has found. The team's study was conducted in the Amazon River, but the ...

Note to editors: Photos of the new fish species, its threatened habitat and region, and the scientists who made the discovery in the field, as well as other associated press materials can be found via ...

There’s something oddly calming about watching fish move through water. No notifications, no noise, no rush – just a small world inside glass, carrying on quietly. Maybe that’s why freshwater ...

Habitat loss and water pollution in the early 1900s decimated their numbers, but they have been slowly recovering.

Shark sightings on the east and west coasts have been on the rise as Americans flock to beaches in hopes of cooling off. In Hawaii, a tiger shark was recently spotted swimming 30 yards from the island ...

Casting along a drop-off on the St. Croix River, I felt some sharp tugs. I thought this might be rocks or clams. But then the ...