A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...

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

By Aimable Twahirwa The fact that primates other than humans engage in homosexual behavior is well-documented. A recent study ...

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

Gay apes are a thing!

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh environments, are hunted by predators or live in more complex societies, ...

AMSTERDAM — Kissing did not begin with star-crossed human lovers but with the primate ancestors of great apes around 20 million years ago, according to a study published on Wednesday. Researchers from ...

Adaptation and behavior in the primate fossil record / Callum F. Ross ... [et al.] -- Functional morphology and in vivo bone strain patterns in the craniofacial region of primates: beware of ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...

Homosexuality is common among primates close to humans, and this trait appears to be inherited in some cases. The findings run counter to the view that homosexuality "goes against the laws of nature." ...

Same-sex behaviors seem to be common among rhesus macaques. Charles J. Sharp via Wikimedia Commons under CC BY-SA 4.0 Humans aren’t the only creatures engaging in same-sex sexual activities. To date, ...