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 ...

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 ...

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

Northern snakeheads are an invasive fish species in Mississippi that threaten the ecosystem. The public is encouraged to kill or freeze northern snakeheads to help control their population.