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

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

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

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

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

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

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

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

Cooperative behaviour and prosociality in nonhuman primates constitute a vital area of research that illuminates the evolutionary origins of complex sociality. Studies indicate that primates employ a ...

A comprehensive new study has examined the prevalence of same-sex behavior in dozens of primate species.