The divergence of the chimpanzee and human lineages is a pivotal event in the history of life on Earth. Unraveling the complexities of this split requires a multidisciplinary approach, drawing upon ...
A deadly conflict between rival groups of chimpanzees in Uganda led to comprehensive victory and a bounty of territory and food — does it show why humans go to war?
A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed.