Photojournalist Ami Vitale followed Przewalski’s horses—once declared extinct in the wild—on a 2,000-mile journey back to ...

Few complete skeletons remain of this gentle behemoth, who was destroyed by explorers and fur traders in the Arctic.

The bald eagle, American alligator and Louisiana black bear are just three of the nearly 300 species revived by the Endangered Species Act -- 50 years since it first took affect. The Endangered ...

Since 2006, the project has photographed 17,000 species in the world’s zoos, aquariums, and wildlife sanctuaries.

LOS ANGELES -- Meet Jolie, an Indochinese green magpie. She's cute, bossy -- and lucky to be alive. In 2017, she was among 93 Asian songbirds, many endangered, found stuffed into luggage while being ...

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 ...

In an unprecedented effort, 15 aquariums from around the world are teaming up to raise endangered baby zebra sharks and reintroduce them into the wild, where populations have nearly gone extinct.