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

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

A growing body of research suggests same-sex behavior in nonhuman primates is important to social connections.

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

Behaviour among non-human species could help keep groups together in face of social challenges, says study ...

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

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...