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

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 ...

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 ...

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

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 ...

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 ...

When I was an undergraduate biology major, I had the opportunity to pursue an independent study with Professor E.O. Wilson, reviewing some of the contemporary literature on sociobiology, a field he ...

The human body evolved over eons, slowly calibrating to the African savanna on which 98 percent of humankind lived and died. So, too, did the human brain. Evolutionary psychology is the study of the ...