Chimpanzees have long been known for their intelligence, but one famous experiment revealed a memory ability that stunned ...

Gorillas may have greater self-awareness than scientists previously thought. A new study finds that gorillas perform just as well as chimpanzees in tests that require awareness of their own bodies. A ...

A new Instagram post is giving viewers a rare look inside one of the world's most famous chimpanzee research sites — and ...

Though humans share 99% of our DNA with chimpanzees, we regularly shrug off the biological similarity with a haughty air of superiority, confident that our cognitive abilities — endowed by a brain ...

People for the Ethical Treatment of Animals (PETA) has purchased stock of a Maryland-based private research facility BIOQUAL, which conducts tests on great apes. The animal rights organization plans ...