Investigate

Orangutan, Heal Thyself

No ‘Hippie Ape’: Bonobos Are Often Aggressive, Study Finds

Primate Pals: When Chimps and Gorillas Form Rainforest Friendships

Some Monkeys Use Stone Tools for Pleasure, Study Suggests

Japan’s Monkey Queen Faces Challenge to Her Reign: Mating Season

Shirley McGreal, Champion of Primates Under Threat, Dies at 87

R. Allen Gardner, 91, Dies; Taught Sign Language to a Chimp Named Washoe

Can You Have More Than 150 Friends?

Humans Have Been Sharing Food With Animals for Centuries. Why Is That?

Meet the Other Social Influencers of the Animal Kingdom

Tiny Blobs of Brain Cells Could Reveal How Your Mind Differs from a Neanderthal’s

A Mysterious, Lethal Chimp Disease Is Linked to a Human Illness

No Grumpy Old Men in the World of Chimps

Aging and Ailing Lab Chimps Are Still at Center of Fight for Sanctuary

Male Baboons Find Good Reasons to Be in the Friend Zone

Jane Goodall Is Self-Isolating, Too

We Live in a Society. So Do These Birds.

Some Lab Chimps May Never Retire to a Sanctuary

A Brutal Disease Kills Monkeys. Flies Could Be Spreading It.

Standing Out From the Herd