Chimpanzees are more likely to engage in play or groom each other if they see others performing these social behaviors first, researchers report. Chimpanzees are more likely to engage in play or groom ...

Bonobo chimpanzees are unique among primates because they do not kill other bonobos. … They still showed increased alertness ...

Bonobo evolution reveals bonding and group cohesion in response to threats, favoring paths to finding peace instead of ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Scientists suspect that contagious urination, a behavior they observed among a troop of apes in Japan, may play an important role in primate social life. By Annie Roth Ena Onishi, a doctoral student ...

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 ...

Chimpanzees and people already share much when it comes to our evolutionary history, and the latest research shows we have a similar appreciation for fairness as well. A study published in the ...