Margaret Howe Lovatt was attacked for admitting that she stimulated a dolphin. But what she did isn't that unusual

The author of "Castration" talks about humankind's first attempt at bioengineering.

What do you get when you design a condom that men want to use? Sued. Inside the twisted patent battle over prophylactics.

"Intact-ivists," a diverse group of men opposed to circumcision, share a common, if unorthodox, mission

Sexuality is one of the few areas where women are afforded more leniency than men

Long ignored by popular culture, women's needs are finally getting the special treatment they deserve

A former sex columnist answers the most common masturbation questions and wonders why it's still taboo to talk about what we all do.

It's a sad day for cinema when a vibrating penis upstages a perfectly good actress.

When you're ready to get hot and heavy, always go with Trojan's Ecstasy Ultra Ribbed

Partner-swapping and four-gies pop up in dramas, farces, black comedy and more

A fun new documentary offers a refreshingly straightforward solution to one of the bedroom's most vexing mysteries

A new study shows that women are less likely to orgasm during casual sex. It doesn't have to be that way

Why are we still talking about vaginal orgasms when there's no evidence they exist? Let's look at the facts

...there's the "My After Sex Buddy," a new novelty item designed after an old gender stereotype

An author argues that "frigidity" can be blamed on "the abnormal structure of the circumcised penis."