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 ...

CHICAGO (WLS) -- Animal researchers have known for some time that chimpanzees are very much like us. But a new study shows that just as we go to war sometimes to protect our territory and way of life, ...

For years, anthropologists have watched wild chimpanzees "go ape" and attack each other in coordinated assaults. But until now, scientists were unsure whether interactions with humans had brought on ...

It’s not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at the Los Angeles Zoo probably didn’t expect this chimpanzee brawl to look ...

Bonobos are a species of great ape, along with gorillas, orangutans, and chimpanzees. Over the years, they’ve gained a reputation as being calmer and more peaceful than other ape species. But recent ...

New research led by UCLA and the University of Michigan has shown that chimp communities that kill their neighbors to gain territory also gain reproductive advantages. The Ngogo group of wild ...

In humans, sexual behavior has a bigger purpose than just reproduction. It plays a role in social functions, from strengthening bonds to resolving conflicts. A new study has extended sexuality's ...

Chimps in the wild engage in deadly battles with rival troops to increase their reproductive success, suggests new research. The Ngogo chimps of Uganda’s Kibale National Park have long been known for ...

We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that existed in the common ancestor of humans and apes six million years ago. Humans ...

The endangered bonobo, the great ape of the Central African rainforest, has a reputation for being a bit of a hippie. Known as more peaceful than their warring chimpanzee neighbors, bonobos live in ...

Jane Goodall, the renowned British primatologist who died on Wednesday, once drew a comparison of Donald Trump with chimpanzees, saying the US President is like an 'aggressive chimp'. Goodall, whose ...