From school to work to everyday life, you’ve likely been part of groups that work together smoothly and others that quickly ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

Chimpanzees are among the most intelligent primates, but that intelligence is paired with extreme physical strength and aggression. Documented attacks show that they can inflict severe and sometimes ...

Between 1998 and 2009, John Mitani witnessed 18 murders firsthand, and found circumstantial evidence for three more. But no police were ever called, for these killers were all chimpanzees, from the ...

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 riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

Chimpanzees are our closest living relatives, and this adds to the fascination of learning how they behave and interact with each other. We know that they, like humans, live in social groups and that ...

At some point in your life you might have seen animals groom each other. This is something very common in chimpanzees, for example. Thanks to decades of work by primatologist Dr. Richard Wrangham and ...