How tribal leaders, commercial fisherman and a few small environmental groups won an uphill campaign against dams.

Emergency responders in Pittsburgh came to the rescue of a dog that fell over a hillside and wound up in the Ohio River.

After nearly 200 years, the Asian small-clawed otter has been rediscovered in Nepal, offering hope for conservation and freshwater ecosystem recovery.

More than a quarter of our planet's natural "geomorphs"—animals such as beavers and hippos that, collectively, can reshape ...

The home range of fishing cats (Prionailurus viverrinus), found in parts of South and Southeast Asia, could be more expansive ...

The corruption of the US Forest Service is manifest nationwide, not just in the West. Numerous huge desecrations, such as at ...

For 162 million years, sturgeons have fended off everything they’ve faced. Now scientists are racing to save these living ...

An ecotour in a tropical rainforest, such as that in Suriname, conducted by a guide who knows the area’s natural history ...

One of Nepal’s biggest cities on the northwestern fringes of Chitwan National Park has been dumping its municipal waste in a ...

Many Native American traditions in the American West place animals like bison or horses at the center of their spirituality ...

An influx of salt from both land and sea and a warming world are condemning the world’s rivers, streams and estuaries to a “saltier future,” according to a new study led by University of ...

Watch a capybara catch a ride down the river on a crocodile's back. Don't crocodiles eat capybaras? Click here to find out.