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

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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Primates have larger brains than most other mammals of their size. This gives them advanced ...

Humans are the only primates that run nearly naked under the sun. Here’s how this biological tradeoff reshaped how our ...

Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...