"Twincest" is pushing limits in an industry known for extremes. What is it, and why are so many people watching?

This peppy comic-book tale is the lightest and fluffiest of summer blockbuster fare -- and is that really such a bad thing?

How is smut changing teen sexuality? One word: Facials

It's swell if college professors can fill in where many school districts fail, but shouldn't students know this stuff before they start having sex?

Is it possible my body isn't physically designed to be able to comfortably experience it? A reader asks Arielle

Porn industry workers and prostitutes have to balance profit and safety, and their choices about using protection can inform us all.

A UK ban on female ejaculation in porn is no surprise. Attempts to censor women's pleasure spring eternal

I didn't want to start a fight, so I told her it wasn't so bad. But I hate what she's doing. What should I do?

But city officials have been mum on the impact of the campaign that really helps -- bringing Plan B to city schools

A smarted-up, tarted-up take on a book about a girl who unapologetically enjoys sex.

Salon breaks down the dynamics of the strongest love triangles and why we care so much about them

From "The Sopranos" to "Greed," a look back at the highs and lows of the year in television.

D.C. is introducing standardized tests about s-e-x in public schools. Can you pass our version for grown-ups?