The Bronx Zoo announced the death of Happy, its beloved Asian elephant who spent nearly 50 years at the New York attraction.

It was a special Mother's Day at Como Zoo in St. Paul, Minnesota, where two sloths became parents again after a heartbreaking ...

Police are renewing a warning about "teen takeovers", a growing trend in the metro and across the country where groups of ...

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The Supreme Court on Tuesday refused to intervene in a discrimination lawsuit led by former Miami Dolphins head coach Brian ...

Activists had sued in a bid to secure her the fundamental human right to bodily liberty. Zoo officials said she was well ...

Happy, a Bronx Zoo elephant who gave researchers new insight into the animal's behavior and became the crux of a closely ...

Happy made history in 2005 by passing a mirror self-recognition test, a milestone for elephant cognition research ...

Happy, the elephant that gave researchers new information on how they behave, has been euthanized at the age of 55.

In research reported about 20 years ago, Happy appeared to recognize herself in a mirror. She was later the subject of a ...