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.

Scientists suspect many species are in decline—but there are still unanswered questions and a lot of hope. Here's when and where you can still spot them. Experts say a "concerning" number of fireflies ...

On Nov. 21, 2025, the Trump administration published four proposed rules designed to reinstate most of the 2019 regulations ...