A study in Japan suggests that peeing is contagious in chimpanzee troops. When one goes, they all tend to go. The question is why. The finding is based on more than 600 hours of chimp ...

Doug rushed over to mount him for a few moments, with the weaker chimp crouching down as Doug thrusted on top of him. That seemed to be a green light for many of the 40 or so chimps in the group ...

Some chimpanzees seem to use sexual behaviour like genital rubbing to manage stressful situations, which shows they aren’t as different from hypersexual bonobos – our other closest living ape ...

Yet, while chimps smile like humans, this isn’t necessarily a good thing. Chimps often bare their teeth as a way of saying, “I’m uncomfortable.” If you’re ever at a zoo, and you smile at ...

Young female chimpanzees make their nests earlier and more often than young male chimps, demonstrating their independence right from the start, a new UdeM study finds. When do you make your bed?

The chimp was memorable for his prominent gray goatee ... She can even watch herself pretending, and today recount it with a smile. In the film footage, Jane sees her 28-year-old self seated ...