SEX

People in the past had a way with words when it came to describing activity between the sheets.

In the animal kingdom, it’s not that unusual to start out as one sex and end up as another.

To curb teen pregnancies, schools in the ‘80s forced kids to care for another delicate dependent: an egg.

Airing in 1977, the show was an honest depiction of teen troubles—so honest that some adults couldn’t handle it.

“Showgirls” was one of the biggest box-office bombs of the 1990s, but this 1995 erotic drama about an exotic dancer turned Vegas showgirl has since become the stuff of midnight movie gold.

The therapist gave advice about masturbation and contraception at a time those subjects were still taboo.

From turtle mating to what really turns big cats on, animal sex can be a lot weirder (and funnier) than you probably expected.

These 17 synonyms for sex earned a place in the ‘1811 Dictionary of the Vulgar Tongue.’

In the 18th and 19th centuries, much of the world worked itself into a tizzy over the idea of people touching themselves.

You don't see too many Tunnel of Love rides at amusement parks today, but they once served an important—and risqué—social function.

A new study is proposing an innovative way to eradicate invasive murder hornets: literal thirst traps laced with pheromones.

Fans of '90s alternative music may recall King Missile's big single, "Detachable Penis." While the song may have been silly, it turns out than in the animal world, the idea isn't all that bizarre—at least not to the sea slug Chromodoris reticulata.