Chicago's leading nature and wildlife institutions are teaming up in a major new initiative to save endangered species. It was announced as part of a worldwide effort Friday called "Reverse the Red ...

Video from a suburb of Argentina’s capital of Buenos Aires shows a bright red waterway. The area has multiple tanneries that use chemicals to treat leather.

A mostly-white Red-tailed Hawk was found on Thursday caught in chicken wire on the homeowners' property after it had been ...

Did you know some U.S. animals can change their color? From seasonal camouflage to mood-based transformations, these 10 ...

All kinds of animals use conspicuous colors, from flashy reds to startling yellows and oranges. It’s a quirk of evolution ...