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

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

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

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

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

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

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

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

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

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