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 ...

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 ...

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 ...

The historian Lawrence Stone once quipped, “Sex takes place mainly in the head,” a provocative reminder of the profound psychological, emotional and cultural dimensions that shape human sexuality.

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 ...

"Represents the end product of two conferences held in 1961 and 1962 at the University of California in Berkeley. The meetings were organized and sponsored by the Committee for Research in Problems of ...

While homophobes have long claimed that homosexuality “isn’t natural,” a newly published study found over 59 different primate species that exhibit same-sex sexual behaviors (SSB). This finding ...

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 ...