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 ...

A growing body of research suggests same-sex behavior in nonhuman primates is important to social connections.

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

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

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

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 ...

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

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

Bonobo chimpanzees are unique among primates because they do not kill other bonobos. … They still showed increased alertness ...

University of California, Davis, Chancellor Gary S. May has named Professor Karen Bales as director of the California ...