Captain was experiencing neurological issues that affected his ability to perch and move safely in his habitat, the Denver ...

The three baby wolves were born this winter at the Smithsonian National Zoo’s conservation and research campus in Front Royal ...

Officials at the Zoo​ on Friday confirmed that their 43-year-old endangered Western lowland gorilla named "Oscar Jonesy" died ...

Endangered pygmy slow loris Ernest and black-capped squirrel monkey Nuka were brought into the zoo’s hospital for dental operations.

KNOXVILLE, Tenn. (AP) — The oldest rhinoceros in the United States has died at a Tennessee zoo. Dolly was 56 years old.