Are you a booty call, friend with benefits or one-night stand? New study defines hookup types.

Study says that condom use (or non-use) has nothing to do with drunkenness. So no more excuses.

Some experts say yes, while others argue it's just a sign of the times.

How to avoid grossing out a woman with excess saliva during a kiss!

What you need to know to snag the right guy for you.

Plus, 12 signs that you're too picky. Remember, 'tis a gift to be simple.

Sexy tips from Jamye Waxman, author of new book "Hot Sex: Over 200 Things You Can Try Tonight."

Serious smooching with leading ladies Rachel McAdams, Michelle Williams and others.

Want to really electrify him (her) with your kisses? Here's how.

College students think women need to "reverse the slut" after casual hookups.

And why are men taking advantage of it by withholding commitment? Is it time to take the power back?

Plus: Would you freeze your eggs? Is "Whitney" a sexist show? What does a post-sex email mean?

New book "The Science of Kissing" explores differences between how men and women approach the act.