Chimps steal less from friends and expect them to do the same, providing a look into how chimpanzee emotions may be similar ...

Add Yahoo as a preferred source to see more of our stories on Google. "Hippie" bonobos are just as aggressive as "warrior" chimpanzees, according to a new study. However, the findings also reveal some ...

Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives. For years, chimpanzees and bonobos have ...

Human relationships (or should I say, chimpanzee relationships?) are truly profound, aren't they? Even if you are usually ...

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature.

WASHINGTON, March 13 (Reuters) - Bonobos for years have had the reputation of being the cool hippies of the simian world, with a "make love, not war" ethos, in contrast to their belligerent cousins, ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

A new study of our two closest living relatives finds that, at least in zoos, bonobos may not be more peaceful than chimpanzees. Bonobos (Pan paniscus) are only found south of the Congo River in the ...

Why is "animal friendship" attracting attention now?We humans live with the trust and expectation that our friends and family ...

Chimpanzees living in a sanctuary in Africa have developed a “fashion trend” for dangling blades of grass or sticks from their ear holes and their behinds, a new study shows. In 2010, researchers ...