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

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

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

A new study has the clearest evidence yet that territorial expansion after lethal conflict can directly boost reproductive ...

Grief and fear have gripped residents of Kahyooro B Village, Nyamiti Ward in Muhorro Town Council, Kagadi District, after a chimpanzee attacked and killed a four-month-old baby. The incident has ...

A similar disorganized attachment can occur in captive chimpanzees, particularly orphans who are raised by humans. A lack of a permanent caregiver can lead to this more fearful behavior. However, in ...

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

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.

Techniques for surviving a chimpanzee attack in the wild.