Outbreaks of violence between chimpanzees have sparked fierce debate online about the origins of war in humans ...

Researchers say that while territorial disputes between animal groups are well known, wars within such groups are extremely ...

In the mid-1970s, primatologist Jane Goodall witnessed something that changed her opinion of chimpanzees forever: A four-year ...

A once large and peaceful group of chimpanzees in the western forests of Uganda has now split into two, causing a rare “civil ...

The Ngogo chimpanzees in Uganda have divided themselves into two main factions, and dozens of deaths have been recorded since ...

A long-running conflict in a Ugandan park may provide clues to the origins of human warfare, and how to avoid it.

A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans. When circumstances or evidence change, chimps appear to do the thing ...

Lucy the Chimpanzee’s story is an animal rights nightmare. As told in the new documentary Lucy the Human Chimp, psychologist Maurice Temerlin and his wife, Jane, bought the fuzzy primate from a ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Human's closest living relatives, Chimpanzees, primarily learn their communicative patterns from their mothers and ...

What would a chimpanzee do if you handed it a glittering quartz crystal? Apparently, the same thing many of us would-hold ...

Chimps’ love for crystals could help explain our ancestors’ fascination with the shiny stones. The forerunners of modern humans collected crystals for which they had no apparent use, say scientists.