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

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

A major new study has examined the prevalence of same-sex behavior in primates. It appeared Monday in Nature Ecology and ...

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, ...

While many studies have looked at possible evolutionary links between men's strength and sexual behavior, a Washington State University study included data on women with a surprising result. Women, as ...

While it was already known that human activity changes the environment, Phys.org reported that a recent study, published in the journal Science, has shown the effect of human activity on animal ...

As a confessed evolutionist, I thought Nora S. Newcombe’s “Is Sociobiology Ready for Prime Time?” (The Review, December 13) was better than most critiques of sociobiology. However, I would disagree ...