The first well-observed "civil war" in wild chimpanzees reveals that shifting social ties alone can fracture a group, ...

The largest group of wild chimpanzees known to scientists has permanently split in two. In a study published in Science, ...

Uganda's Ngogo chimps have broken into two permanent groups, resulting in the killing of numerous adults and infants, say ...

By Will Dunham April 9 (Reuters) - For two decades, researchers observed members of the Ngogo chimpanzee group of Kibale National Park in Uganda spend their days eating fruits and leaves, resting, ...

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 ...

A chimpanzee used floorboards to create rhythmic patterns and sounds, showing how emotion and rhythm may connect in early ...

A study published in the journal Biology Letters has provided the strongest physiological evidence yet that wild chimpanzees ...