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.

Happy, a beloved Asian elephant who lived at the Bronx Zoo for nearly five decades and became one of its most recognizable ...

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

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

Happy, the Bronx Zoo elephant at the center of animal rights debates and cognition studies, has died at 55 after serious ...

The Smithsonian's National Zoo and Conservation Biology Institute announced on Nov. 24 that one of its Asian elephants is expecting, marking the first time an elephant calf will be born at the zoo in ...

The first Asian elephant calf born at the Smithsonian's National Zoo and Conservation Biology Institute in nearly 25 years is making her debut Wednesday, just in time for Earth Day. Linh Mai, whose ...

With the return of the Zoo’s Elephant Cam, a group of trained volunteers are helping chronicle the daily lives of Asian elephants.

On April 1, Texas’ Fort Worth Zoo welcomed a 285-pound baby into the world. It wasn’t an April Fool’s joke—the newborn was a ...