Add Yahoo as a preferred source to see more of our stories on Google. "Hippie" bonobos are just as aggressive as "warrior" chimpanzees, according to a new study. However, the findings also reveal some ...

Chimpanzees fish for termites with handcrafted tools, gorillas weigh as much as a professional linebacker, and some primate ...

“WORDS would seem to have been necessary to establish the use of words.” Philosopher Jean-Jacques Rousseau pithily summed up the paradox underlying the evolution of language some three centuries ago.

When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

Bonobos and chimps are our closest living links to the six million-year-old ancestor from which both they and we descended. As primatologist Frans de Waal points out, Kano's work "was a major ...

Learn how male bonobos use subtle behavioral and reproductive cues to pinpoint the fertile window, even when the usual swelling signal gives them almost no useful information. Female bonobos send one ...

"Hippie" bonobos are just as aggressive as "warrior" chimpanzees, according to a new study. However, the findings also reveal some key details about which sex is instigating the aggression. Bonobo ...