Sloths have changed quite a bit in the last ten thousand years. The slow-moving, sleepy, leaf-eating creature we see hanging ...

The heath hen once fluttered across the eastern U.S. in huge numbers. By the late 1800s, however, it had retreated to Martha’s Vineyard, its last refuge. A combination of habitat loss, hunting, and ...

Australia has a remarkable reputation as a place where animals believed to be extinct – sometimes for more than a century – have been rediscovered.

Endangered animal species in Kuwait are facing rising threats due to habitat loss, climate change, and human activities.

Colossal Biosciences, a Texas-based biotech company, made headlines this April after falsely claiming to resurrect the ...

National Endangered Species Day began in 2006 to raise awareness. The IUCN Red List includes over 41,000 endangered species.

Although some biologists have since poured cold water on the actual science behind the dire wolf’s revival, there’s now talk ...