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

The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

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

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

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

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

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

Past theories have suggested that animals exhibit SSB to increase group cohesion, to signal dominance among a larger group, ...

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

Japanese macaques, colloquially referred to as snow monkeys, famously soak in steaming hot springs during winter. It's easy ...