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

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

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

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

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

A new primate study links same-sex behaviour to survival, social bonding, and environmental stress, raising intriguing ...

People haven’t realised that same-sex behaviour is as important for the functioning of a society," says wildlife expert ...

A comprehensive new study has examined the prevalence of same-sex behavior in dozens of primate species.

Some 60 primate species, including baboons, chimpanzees and vervet monkeys, express homosexuality, according to a new study ...

Primates form same-sex sexual behavior alliances to gain rank and mating opportunities Male primates use same-sex bonds as ...

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