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

The observation of homosexual behaviors in animals has long raised questions about their origins and functions. A recent ...

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

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

Gay apes are a thing!

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

As animals go about their lives ― eating, fighting, having babies ― they don’t always follow the script laid out for them by ...

Almost 60 different primate species exhibit same-sex sexual behaviors.

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

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 ...

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 ...