Sex and sexuality is about more than just two people, a bed, and a few aphrodisiacs. Scientists study why humans have sexual intercourse (it is good for you and good for the species) and how sex is driven by evolution, genes, emotions and more. There is also much to learn about the differing roles of men and women in the whole mating game. Yes, there's lots of science to explore. Not that an aphrodisiac isn't more fun.
Testosterone replacement therapies promise more muscle mass, more sex drive, more energy and maybe even that extra vigor in your golf swing, but at what cost?
A single gene that controls male and female sexes in one organism evolved from a simpler precursor gene in a unicellular algae, new research suggests.
For one night stands, size does matter, but it's not penis length that women are concerned about — it's girth, a new study suggests.
People may participate in sadomasochism less for the sexual pleasure and more for the mental high, according to two studies on the minds of people in the S&M community.
As goes pop culture, so goes reality. People really do have rebound or revenge sex in order to ease the pain of breakups, psychologists find.
Not all science findings blow our socks off, even if they have to do with important topics. Here's a list of the research that definitely did not surprise us in 2013.
For women, sex during hookups may not be as pleasurable as it is in a committed relationship, a new study suggests.
Sex may, in some cases, provide a decent workout. New research finds that sex burns enough calories to count as moderate exercise, a fact which might motivate people to get a little busier.