Sex

Nikolaas Tinbergen's concept of "supernormal stimulus" explains why humans are attracted to a heightened version of reality.

The symbol for love is the heart, but the brain may be more accurate.

A new study suggests that reports of the impending infertility of the human male are greatly exaggerated.

The tiny swimmers appear to transmit signals that "persuade" the female body to have a baby.

These Roman Emperors were infamous for their debauchery and cruelty.

A study finds that sexual regret doesn't change how we behave in the future.

A new study explores how using positive labels to describe a majority group may negative impact perceptions of minority groups.

One bill hopes to repeal the crime of selling sex and expand social services; the other would legalize the entire sex trade.

In-depth research suggests BDSM practitioners can experience altered states of consciousness that can be therapeutic.

While other factors exist, sexual prowess appears to have helped determine the role of Protoceratops frills.

The idea behind the law was simple: make it more difficult for online sex traffickers to find victims.

A new study shows that beauty standards affect whether or not accusers are believed.

Is breakup sex ever a good idea?

Previous research suggesting it's all about prolactin may be missing the mark.

No, being interested in BDSM does not mean you had a traumatic childhood.

A large-scale meta-analysis aims to disprove the notion that pornography consumption causes sexual aggression and violence.

New research shows that experiencing an opposite-sex body in virtual reality impacted the subject's gender identity.

Monogamy is often considered a key component of traditional marriages, but it's only half the story.

Mice will even run on a wheel in nature. Pheromones help inspire that behavior.

Is your masturbation routine benefitting your sex life? Here's how to tell...

Most said they want to act on their desire someday. But do open relationships actually work?

Would you ever have sex with a robot?

Positive, romantic thoughts could produce positive, romantic outcomes while dating.

Is indulging in erotic content good or bad for your sex life?

The CDC's latest youth risk survey houses some scary numbers but shows that evidence-based sex education is working.

The problem is that what's true of magnets is not at all true of romance.

Are there innate differences between female and male brains?

There are several things both men and women can do to actively boost low libido, according to research.

You may be surprised at how your body and brain react to this type of pleasure.

While this has been a popular debate, the evidence suggests there isn't a strong link between pornography use and erectile dysfunction (ED).