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 ...

When people find out we study chimpanzees, they usually ask about their dark side. “You know chimpanzees kill each other, right?” or “Aren’t they the only animals besides humans that wage wars?” ...

As scientists have studied the chimpanzee, they’ve found more and more similarities between humans and their closest living relatives. But when it comes to the courts, chimps and humans couldn’t be ...

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, ...

The human side of the room was crowded with computer monitors, TVs, video cameras, food dishes and machines that dispense treats to the chimps. The chimp enclosures, which look like oversize ...

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.