A surprising new scientific theory attempts to explain why morality can lead to violence.

A new study finds that making contraceptives and reproductive care accessible through a state-funded program in Colorado reduced the dropout rate for young women.

It’s not hard to see the foundation of a future porn crackdown in the works.

Sexual inactivity is on the rise among young adults. In the last two decades, the number of people—especially men—reporting that they haven’t had sex in the past year has risen significantly....

Have you ever fantasized about being ‘forced’ to have sex? If so, you’re not alone. Fantasies about being taken against one’s will (sometimes known as ‘forced sex fantasies,’ ‘rape fantasies,’ or...

She was a second-wave feminist who taught consciousness raising with a twist, and her workshops on masturbation, buoyed by the internet, have inspired millions.

When our interest in sex starts to wane, exposure to a new or novel partner has a way of bringing it back. This phenomenon--formally dubbed the Coolidge Effect--got its name from a popular anecdote...

The new book "Three Women" offers a deep dive into the world of cuckolding, from a woman's perspective.

Beer goggles apparently make us interested in just about everyone.

  Scientists in Britain have created a machine that uses artificial intelligence (AI) to perform the perfect blow job. The development of “Autoblow” follows the publication of a paper titled “…

Papers please: for millions of Americans, accessing online pornography now requires a government ID. It could have global implications for the future of the web.

As part of the study abroad course I’m teaching on Sex and Culture in the Netherlands, I booked us a tour of Amsterdam’s Red Light District with the famous Fokken twins, Louise and Martine. The...

Vasectomies are one of the most underutilized forms of birth control, in part, because a lot of men are worried about the procedure having a number of negative effects on their sex lives. According...

A new study published in The Journal of Sex Research has revealed the complex world of involuntary celibacy, providing important insights into the challenges faced by a growing community of men known...

Research is questioning the notion that the sexual desire of women and men is inherently different

There’s a strand of radical feminist thought that claims porn causes misogyny. So four researchers decided to test this idea – and descended on a porn expo to study the beliefs of the male attendees.

Casual sex is common, and studies suggest that most people will have it at one point or another. However, despite its prevalence, casual sex is widely misunderstood. Here are nine things science has...

Many sexuality researchers and educators have claimed that kissing is a universal or near universal sexual and romantic behavior. For example, several sexuality textbooks explicitly say that kissing...

The federal court may yet rule the NDIS must fund sexual services – a huge win for the disability community after years of uncertainty

The trend toward privileging desire over commitment and morality has predictable consequences.

There are a lot of stereotypes about female sex workers, and one is that no woman would ever choose this profession voluntarily. Some people see sex work as inherently victimizing, which means...

Research finds that women are more likely to regret the sex they had, whereas men are more likely to regret the sex they did not have.

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The lie detector "basically measures how nervous you are," an expert at Brandeis University said.

Psychologist Justin Lehmiller explains what it’s like to study sex for a living.

In recent years, Americans’ sexual attitudes have become more liberal. For example, public opinion polls have found that the number of American adults who think that things like sex outside of...

Either we're all sex addicts or nobody is

Teaching people their sexual thoughts are “dirty” or “impure” has problematic consequences.

Refusing to provide children with medically accurate sex education isn’t ideological — it’s negligent.

Does sexual satisfaction change over the course of a long-term romantic relationship and, is so, how? On the one hand, you might think that satisfaction increases as partners learn how to pleasure...

Our sexual fantasies don’t just help us to experience sexual pleasure, they also say something much deeper about who we are and where we are in our lives.

To have a chance of making a positive impact on how adult women feel about their genital appearance, we have to reach them as adolescents.

We still aren't certain if it's a distinct part of the female genital anatomy.

About a decade ago, I came across a book entitled The Technology of Orgasm by Rachel Maines. It quickly became one of my favorites on the history of sex because it presented a fascinating and...

Valuing your partner's sexual needs, even when you can't meet them, reduces the chances they will feel unsatisfied and unhappy in your relationship.

A guide to 'cuckolding', a taboo fetish very much on the rise

Long-term sexual dysfunction is a side-effect for some patients who take these widely prescribed antidepressants, and can leave sufferers devastated

It's a record high since 1986.

There’s a widespread belief that, if you watch enough porn, your brain will build up a tolerance to it, meaning that you will require more and more extreme stuff in order to become—and stay—sexually...

Women fantasize about dirty talk more than men. New research helps us to understand why that is—and why dirty talk is arousing to so many people.

Why do people engage in risky sexual behaviors? This is, of course, a complex question and there are obviously many contributing factors. For example, some people take sexual risks because they’re...

Bill AB 453 is the first law in the country to categorize "stealthing," or removing a condom without consent, as sexual assault that violates the law.

You may not have had to give 'the talk' yet, but there's a good chance you've been on the receiving end of it. So what are the benefits of talking about sex?

The culture of outdated norms surrounding gender and male versus female libido has ended up holding back a lot couples from reaching their true potential in sexual intimacy, researchers say

Cuckolding refers to a sexual practice in which someone finds it arousing to watch their partner have sex with another person. I first learned about cuckolding nearly a decade ago and, in the years...

It's far more pervasive than we think.

New research reveals how to keep the fire and passion over time

What does it mean to be "abstinent?" It depends who you ask. Sex researchers have found that there is incredible diversity among college students in terms of how they personally define the term...

Casual sex is common, and studies suggest that most people will have it at one point or another. However, despite its prevalence, casual sex is widely misunderstood. Here are nine things science has...

The owner of the NoFap trademark, filed a complaint against a neuroscientist who studies porn and sexuality, for libel and defamation.

What does your use of emojis say about your sex and dating life? More than you might think, according to new research.

When asked to describe a memorable regret, the things people mention most often involve love, sex, and romance. Common regrets include lost opportunities (like “the one that got away”), cheating and...

A study published in the Archives of Sexual Behavior reveals a hierarchy in sex work perceptions, termed "whorearchy." The findings also highlight how political and personal views shape perceptions...

Let's talk about sexual fantasies! In today's show, we’re going to explore what people fantasize about doing sexually—and how that varies around the world. So how does culture influence what we...

Sexual orientation is all too commonly viewed as an either/or proposition, meaning you’re either gay or you’re straight, and nothing in between. This view is widely held, even by many people within...

Rachel hired a male escort after being in a sexless marriage for 20 years. She said the experience has been a satisfying one.

Healthy functioning for a penis is one of the more shamed and misunderstood elements of sexuality. “Erectile Dysfunction” is a misused…