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

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

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

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

In mammals, social behavior and social status can substantially influence the survival, reproductive performance, and health of individuals. However, it is not yet fully understood how the translation ...

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 ...

Although same-sex sexual behavior (SSB) has been observed in animals other than humans, it is unclear why they engage in sexual behavior that is primarily aimed at producing offspring. A research team ...

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 ...

With their round eyes, plush fur and tiny hands, pygmy slow lorises look like they were designed to be cradled. Yet this baby ...

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 ...