Despite our best efforts, there are many species of animals that become extinct every year. There are thousands of species of ...

These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

North American species like the Colorado potato beetle and the fall armyworm have become invasive elsewhere. Illustration by Marilyn Foehrenbach Q: In North America, we worry about invasive ...

Around fifty different species fit the criteria for classification as endangered in New York State, and now DEC is undergoing ...

In this case, we’re working in one of the most species rich places in North America. It’s our Amazon ... Typically, descriptions of new fish species require longer format articles. In this case, a ...

The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

House Republicans vote to repeal a decision that placed a California fish, longfin smelt, on the endangered species list.