Flowing nearly 650 miles through Tennessee, Alabama, Mississippi, and Kentucky, the Tennessee River is one of the most important waterways in the South. From its headwaters in the Appalachian ...

Wild animals are reshaping Earth’s surface more than expected, altering soil, rivers, and sediment movement across ecosystems ...

You might think of Australia’s arid centre as a dry desert landscape devoid of aquatic life. But it’s actually dotted with thousands of rock holes – natural rainwater reservoirs that act as little ...

More than 40% of extant large freshwater animals (megafauna), including carp, salmonids, crocodilians, turtles, beavers, and hippopotamuses, have been deliberately introduced outside their natural ...