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

Humans aren’t the only creatures engaging in same-sex sexual activities. To date, scientists have documented around 1,500 ...

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

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

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

Data from 491 non-human primate species reveals reports of same-sex sexual behavior (SSB) in 59, and the distribution is not ...