Teen Pregnancies Fall But School Sex Ed Doesn’t Work. Huh?

The number of teen pregnancies has plummeted by more than half in a generation. But a new analysis shows that school-based sex education classes don't work. How is this possible?

How Could Men Report More Sex and More Partners Than Women?

Whenever a man has hetero sex, a woman does, too. Yet men consistently report more sex with more partners. How could this be?

Evidence Mounts That Yoga Improves Sex

Adding to a growing research literature, a recent Korean study shows that yoga improves sex for women.

Age of Consent: How Old Is Old Enough for Sex?

In most states, the "age of consent," the age when adolescents can legally have sex, is 16. It used to be considerably younger.

Attention Men: Three Keys to Becoming a Better Lover

Men, make sex great again for both of you by adopting 3 easy precepts.

The Future of Remote Sex

Introducing teledildonics, Web-enabled sex toys that now make remote sex feel closer than ever to the real thing.

The Psychology of High Heels

One reason women choose heels: As height increases, men find them increasingly attractive.

Sex and the Single Parent

A recent survey of sex and single parents produced a surprising finding: Single parents date and have sex as often as childless singles—sometimes more.

Dueling Statistics: How Much of the Internet Is Porn?

Social conservatives say that the Internet is awash in porn. Academic researchers disagree. Who's right?

Childhood Sexual Abuse: How Men Can Help Women Recover

One woman in six has survived child sex abuse. Even years later, men can help them recover. Here's how.

Childhood Sex Abuse: The Long, Hard Road to Sexual Healing

Myth: Child sex abuse ruins victims for life. Truth: Recovery is painful and may take years, but survivors CAN build fulfilling lives and loving, nurturing sexual relationships.

Childhood Sexual Abuse: Sexual Recovery Is Possible

Myth: childhood sexual abuse is so traumatic that it ruins women for life. Truth: recovery is possible, and survivors can create deep, satisfying sexual relationships.

Can Someone Live a Happy Life Without Sex?

"Asexuals," up to 1 percent of adults, never feel sexually attracted to anyone—and feel fine about it.

Kinky Women: How Do They Play?

Women and Kinky Sex: Women into BDSM enjoy a broad range of both vanilla and fringe sexual activities

Would More Sex Really Make You Happier?

Sex makes most people happy, but a sudden jump in frequency may cause problems.

How Sex Changes During Pregnancy, Nursing, and Parenthood

Pregnancy, nursing, and parenthood have sexual impacts few expectant parents appreciate.

How Much of Porn Depicts Violence Against Women?

One study says 88% of porn videos show violence against women. Another says 2%. What explains this huge difference?

The Latest on Sexual Satisfaction After Prostate Cancer

Erectile dysfunction after prostate cancer treatment is common, but not inevitable.

A New Study Reveals Our Deepest Sexual Insecurities

Google searches of sex subjects reveal the depth of men's and women's sexual insecurities.

The Woman's Erotic Zone

Think you're familiar with the woman's pleasure point? Think again.

Among “Old Married Couples,” Does Sexual Quality Decline?

In long-term relationships, time takes a modest toll on sexual satisfaction. But with a little effort, "old married couples," can rekindle the fire.

Affirmative Consent Doesn’t Prevent Rape But It Enhances Sex

"Affirmative consent" for every sexual escalation plays no role in successful rape-prevetion programs, but it's still a wonderful idea because it enhances the quality of sex.

The Continuing Controversy Over Bisexuality

Despite doubters' claims, the weight of the evidence shows that a significant minority feel erotically attracted to both genders.

Viagra Falls: Older Men Aren’t Very Into Erection Drugs

Viagra Falls: Surprisingly few older men have tried erections drugs, and only half of those who do refill their prescriptions.

The Surprising Truth About Modern Hook-Ups

Myth: Young adults are Tinder-fueled bunnies on steroids. Truth: Twenty-something sex hasn’t changed in 40 years.

Why So Many Women Don’t Have Orgasms

Women don’t have orgasms largely because their lovers don’t provide the clitoral caresses that elicit them.

Evidence Mounts: More Porn, LESS Sexual Assault

Several natural experiments show that as access to porn increases, rates of sexual assault DECLINE.

Penis Pumps: Play With Size. Treat ED.

Useful and fun, you'd think penis pumps would be more popular.

Are Tattooed Women Really More Promiscuous?

Men think that tattoos signal women's sexual availability. Think again.

The Slippery Secret of Sensational Sex

Sexual lubricants are more popular than ever—and for good reasons.