Of the many animals protected by the Endangered Species Act, there may be no other species more American than red wolf. Known as "America's wolf," red wolves are the only species of wolf that live in ...

"The largest elephant ever. It doesn't matter if they are a dream or reality." National Geographic's latest documentary film, "Ghost Elephants," follows Nat Geo explorer Steve Boyes to locate the ...

A picture encyclopedia presenting a general introduction to the world's mammals and the vital statistics and behavior for each of the entries from aardvark to zorilla.

Researchers discover world's largest coral colony in Pacific Ocean National Geographic Pristine Seas expedition team located a massive coral colony that's longer than a blue whale, Earth's largest ...