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

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

Humans aren’t the only creatures engaging in same-sex sexual activities. To date, scientists have documented around 1,500 ...

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

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 ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

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

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

A new study has found that same-sex intimacy is expressed by nearly 60 primate species, including baboons and chimpanzees.

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