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 ...

Lauren Leffer: The link between our genes and our selves is complicated. We know the DNA coded in our cells is part of what makes each of us who we are. Tulika Bose: But genes aren’t the whole story ...

Masturbation is the healthiest human sexual behavior, associated with a range of health and life benefits, with no known (to science or medicine) health risks. It is pregnancy and disease-free. It ...

Scientists are finally decoding the orgasm face. Explore how human evolution, primate behavior, and mate selection shape our expressions of climax.

VANCOUVER, Wash. – 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 ...

Communibiology is the recognition that our biology and communication with others are interconnected. After all, the entirety of our communication that we have with others originates in our brain. Men ...

Humans are far from the only primates engaging in same-sex sexual activity. A new study found instances in which 59 nonhuman primate species, including bonobos, chimpanzees and macaques, have taken ...