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

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

A major new study has examined the prevalence of same-sex behavior in primates. It appeared Monday in Nature Ecology and ...

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

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

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

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in ...

Past theories have suggested that animals exhibit SSB to increase group cohesion, to signal dominance among a larger group, ...

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

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

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

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