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

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

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

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

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

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 ...

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

Discover how recent research challenges traditional views on evolution by revealing the crucial survival functions of same-sex behaviour in nonhuman primates.

Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...