With an open mind, Goodall discovered that chimpanzees produce tools, form lasting social bonds, and pass on knowledge across ...

Uganda’s Ngogo chimpanzees are well known for their “chimpanzee warfare.” Primatologists have observed their brutal, lethal ...

The Ngogo chimpanzees of Uganda's Kibale National Park have long been known for violent clashes with neighboring groups, ...

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 ...

A groundbreaking ten-year study on the behavior of chimpanzees, reported in the journal Current Biology, reveals that humanity's closest living relative expresses a propensity for human-like warfare.

Chimpanzees in Michigan are not considered "persons" with human rights, according to the state's Court of Appeals. That means the owners of the DeYoung Family Zoo in the Upper Peninsula will not need ...

A view of the entrance of Tacugama Chimpanzee Sanctuary where chimps escaped before attacking people the day before, in ...

New research suggests chimpanzees can rethink their choices when new evidence emerges, a hallmark of human-like reasoning.