Chimpanzees and bonobos maintain tight inner circles of preferred grooming partners inside their wider social networks, ...

Great apes appear to build friendships much like humans do. By studying grooming behavior, researchers discovered that ...

Walking upright all the time is one of the unique features that sets Homo sapiens apart from other primates still around ...

Add Yahoo as a preferred source to see more of our stories on Google. A mother chimpanzee carrying her twins on her back. A similar disorganized attachment can occur in captive chimpanzees, ...

For all the diversity of the human condition, one experience is almost universally painful: adolescence. It's also unusual.

Learn about the similarities between the wrist bones of humans and African apes, which may point to shared knuckle-walking ...

A new study of wrist bones suggests human ancestors may have shared a knuckle-walking past with chimpanzees and gorillas.

Walking through the savanna-woodland landscape of Boé National Park, Guinea-Bissau, you might encounter a tree covered in ...

Wild chimpanzees in Uganda split into two separate communities and later engaged in deadly attacks against each other.

A new study finds chimpanzees drum against tree roots with rhythm, suggesting they share an evolutionary trait with humans passed down by a last common ancestor. DaFranzos via Pixabay Wild chimpanzees ...