Science of Sex

Both men and women are able to gauge a man’s interest in a woman, but are equally baffled when it comes to figuring out if a woman is interested in a man.

Soil type played a role.

The woman who gave birth to octuplets last week already had six children, bringing her brood to a whopping 14.

A new study finds that the brains of hormonal women respond to men with overtly masculine facial features.

Masturbation among men has been tied to an increased risk of prostate cancer.

When male mice live with female mice, their reproductive years are extended by up to 20 percent.

Instant messages can reveal whether your relationship is healthy or on the rocks.

Extended courtships allow females to screen for potential providers, while males can prove they're suitable.

Even updated, "The Joy of Sex" is by no means a scientific treatise: its most popular section will likely remain "Main Courses."

At least subconsciously, a woman can also tell a man's in the mood by the scent of his sweat.

Intelligence could indicate a person has a lot of good genes and traits.

Obese men reported better sexual function after losing lots of weight in a new study.

Another year, another batch of boring resolutions. So why not resolve to have better sex?

Experiences of selflessness, a core aspect of spirituality, may be the product of reduced activity in a specific brain region.

Researchers at Oxford University say a brain implant will one day stimulate pleasure centers.

Men make up most of the world’s skydivers and rock climbers. It’s likely not just for thrills.

Is it the face, body, personality or promises? The evolutionary psychologists have an answer but is it right?

Ever since Bill Clinton, the nature of the act has become increasingly vague.

Researchers hope to help nursing homes accommodate sex of residents.