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

Friendly behavior is "contagious" among chimpanzees, according to a new study. The primates are more likely to groom or play with each other if they see others do it first, say scientists. They ...

It was a rainy morning at the Lincoln Park Zoo in Chicago, and at the chimpanzee exhibit, it was the children who were hooting and hollering. The apes themselves were placid, ignoring their rowdy ...

“Planet of the Apes” may have been onto something. Chimpanzees are steadily honing their tool-using skills — a process unfolding over millennia, driven by the exchange of ideas through migrations ...

Scientists have long marveled at chimps' ability to pass down intricate behaviours. "Planet of the Apes" may have been onto something. Chimpanzees are steadily honing their tool-using skills -- a ...

Tonia Haddix in the HBO docuseries “Chimp Crazy.” (HBO/TNS) ...

Animal lovers: rejoice! If you prefer to spend your days surrounded by our friends of the animal kingdom, stick right here as ...

Summary: Grooming and play behaviors in chimpanzees are contagious, fostering social bonds and harmony within their groups. Conducted at a wildlife orphanage, the research shows how observing others’ ...

Chimpanzees live in fiercely hierarchical social communities whose male members remain within the same group over time. To prevent inbreeding, females migrate to new communities when they reach ...

Friendly behavior is "contagious" among chimpanzees, according to a new study. The primates are more likely to groom or play with each other if they see others do it first, say scientists.

Chimpanzees are steadily honing their tool-using skills -- a process unfolding over millennia, driven by the exchange of ideas through migrations between populations, according to a new study ...

Chimpanzees are steadily honing their tool-using skills -- a process unfolding over millennia, driven by the exchange of ideas through migrations between populations, according to a new study ...