Rosebud, nicknamed "Rosie" by zoo staff, was humanely euthanized on Friday after battling progressive arthritis that no ...

The Saint Louis Zoo announced Thursday that its medical staff “humanely euthanized” an elderly chimp due to worsening health ...

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.

The chimpanzee was often found in the center of any grooming session and enjoyed relaxing in the sunshine in a nest she built ...

A look back in history on whether or not a circus chimpanzee that escaped became the first animal at Zoo Boise.

The zoological society is now calling for greater restrictions on the extensive fireworks displays that are a trademark of ...

A group of 23 chimpanzees previously used in biomedical experiments at the Alamogordo Primate Facility will be released to a sanctuary.

The National Institutes of Health confirmed Friday that 23 chimps from New Mexico will make the move in the coming months.

While testing the "infinite monkey theorem," mathematicians found that the odds of a chimpanzee typing even a short phrase ...

An Asian elephant has been not-so-secretly filmed showering with a water hose at a zoo ... animals showed goal-directed ...