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, ...

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 show physical risk taking peaks in infancy, not adolescence, highlighting the powerful role of supervision in shaping behavior.

Great apes share human-like social circles, but chimpanzees and bonobos differ in how selectively they maintain close social ...

Human brains still react to chimp voices, hinting at a deep evolutionary link in how we recognize sound.