Normally cuddling is more, uh, cushiony and soft and not so—um, skeletal? Well, if you want to put the uglies into PG-rated bumping uglies, these x-ray portraits of cuddling couples from Saiko Kanda and Mayuka Hayashi of Musashino Art University do just that. » 12/06/13 12:20pm 12/06/13 12:20pm

Some couples have sex to become more intimate with their partner, and some couples have sex so they don't feel guilty about not having sex. Guess who's happier. » 10/23/13 10:00am 10/23/13 10:00am

We write about cancer quite a bit because, well, it's a topic that hits pretty damn close to home for many of us. However, as a society, we don't focus much on the the sexual well-being of survivors. For millions of women, though, this is a question that's of immediate interest. The Yale School of Medicine's… » 12/04/12 9:30am 12/04/12 9:30am

Research commissioned by the Playboy channel found that women, especially younger ones, are open to watching porn if it features "real chemistry, nonenhanced body parts, varied body shapes and 'contextualized' sex. Not everyone agrees. » 11/17/10 3:10pm 11/17/10 3:10pm

Author Helen Boyd, on how celibacy, monogamy and being picky (which can cause the other two) can be sexier (and more feminist) than actually doing it. [My Husband Betty, Image via Sarah G. on Flickr] » 10/17/10 4:25pm 10/17/10 4:25pm

Victor LaValle's account of his two years of (almost) celibacy — alleviated occasionally by phone sex — makes the case that not getting any will drive you crazy. But actual lack of sex may matter less than just plain loneliness. » 6/28/10 11:00am 6/28/10 11:00am

This colorful chart details the 10 levels of intimacy in modern communication from talking to Twitter. We have one gripe: shouldn't letters be higher on the intimacy scale, with their evidence of personal handling and obvious effort? [BuzzFeed] » 8/12/09 6:40pm 8/12/09 6:40pm

When a friend tells you she's not yet had sex with someone, what do you take that to mean? In all truth, studies show that the two of you might be thinking very different things. » 7/01/09 1:00pm 7/01/09 1:00pm

Sharing experiences of certain bodily functions are milestones in intimacy with significant others, like pooping while they're in the house » 8/28/08 6:00pm 8/28/08 6:00pm, vomiting on them when you're sick, or farting in from of them. Once you can do that shit (literally), you know that you're comfortable in your relationship. But there's one final…