A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — ...

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

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 ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Japanese macaques at Joshin-etsu National Park in Japan. (Peter Adams / Getty Images file) (Peter Adams) Humans are far from the ...

Most pet behaviors are cute, but many of them may come from instincts developed by thousands of years of evolution. To learn more, put together a list of ways household pets have evolved as they’ve ...

The study of animal behaviour in ecological and evolutionary contexts examines how behavioural traits develop, persist and interact with environmental challenges. Research in this field investigates ...

John Maynard Smith is best known for his use of mathematical analyses in biology. Trained as an engineer and then as a biologist, Smith applied game theory to animal behavior and found that although ...