10 Authors Who Put Sex In Their Science Fiction

Sex and science fiction have not always been the most obvious partners; combining the two has occasionally defeated even the genre's greatest luminaries. But here are ten authors who successfully brought sex into the future. » 4/17/09 3:49pm 4/17/09 3:49pm

Most Embarrassing Alien Mating Scenes Of All Time [NSFW]

In this scene from the movie Decoys 2, an evil alien transforms into a sassy dominatrix so she can mate with a young guy. It's just one of the most embarrassing alien mating scenes ever. » 4/17/09 3:11pm 4/17/09 3:11pm

Tie Me Up And Pin Me Down! This Summer's Hottest Boy-Bondage

Why do so many summer movie trailers feature boy-on-boy bondage? Like this Terminator Salvation goodness. We've pulled the best homoerotic bondagey moments, from this summer's biggest movie trailers. » 4/17/09 2:30pm 4/17/09 2:30pm

Nine Human-Alien Love Children

Maybe it's true that love knows no bounds. And when we're exploring space and discovering new alien life-forms, it just makes sense that we're going to have their babies. Here's our nine favorite half-human hybrids. » 4/17/09 9:00am 4/17/09 9:00am

Scientists Discover All-Female Ant Species that Reproduces by Cloning

A group of Amazonian ants have evolved an extremely unusual social system: They are all female and reproduce via cloning. Though their sexual organs have virtually disappeared, they have also gained some extraordinary abilities. » 4/17/09 6:30am 4/17/09 6:30am

Secrets Of Hustler's Star Trek XXX Movie

What exactly is Khan Noonien Singh doing in Hustler's new Star Trek porn movie? And what role does Sasha Grey play? We talked to screenwriter Roger Krypton. Plus an exclusive work-safe clip and pics. » 4/16/09 1:49pm 4/16/09 1:49pm

Science Fiction Sex Toys We'd Like In The Real World

Since science fiction was invented, the real world has followed in its footsteps, whether it's language or replicating fictional moral dilemmas. But there's one area where the real world is sadly lacking: science-fictional sextoys. » 4/16/09 12:00pm 4/16/09 12:00pm

Seven (Mostly) Scientific Devices for Measuring Sexual Arousal

Scientists can measure atoms and they can measure the distance from our sun to the edges of the universe. So of course they also have instruments that can determine precisely how sexually aroused you are. » 4/16/09 11:39am 4/16/09 11:39am

The Worst Love Spells Gone Wrong

In honor of spring fever, we decided to pay tribute to those that try to create love, either chemically or magically. Too bad forcing desire always leads to disaster. Here are our favorite love-potion calamities. » 4/15/09 4:40pm 4/15/09 4:40pm

Pin-Up Girls Tame Outer Space, Ride Godzilla (Maybe NSFW)

Pin-up artist Andrew Bawidamann is best known for his military art, showing bodacious women in uniforms and on the battlefields. But he also does amazing space pin-ups, and here are a few of our favorites. » 4/15/09 1:27pm 4/15/09 1:27pm

An Alternate Sexual History of the United States [NSFW]

How would our world today be different if one adventurous woman had traveled back in time and had glorious sex with every single US president? Time-traveling artist Justine Lai is about to find out. » 4/15/09 11:39am 4/15/09 11:39am

Isaac Asimov's Lost Story Of Sex And Telepathic Energy Beings

In 1955, Isaac Asimov wrote "The Portable Star", a story he considered so bad, so sexy, that he forbade it ever being collected or reprinted. For fifty-four years, it has been forgotten. Until now. » 4/15/09 11:06am 4/15/09 11:06am

Is Linden Really Pushing Second Life Sex Away?

Is Second Life about to become the new Times Square? The virtual world is to be cleaned up, according to reports, allowing those who don't want to see cyberfrottage to remain innocent and untouched. » 4/15/09 10:00am 4/15/09 10:00am

With 32.7 Million "Excess Males," What Will Become of China?

For every 100 girls born in China during 2005, 120 boys were born. A new demographic study shows that the biggest population control experiment in history has turned China's youth into the "male generation." » 4/14/09 2:00pm 4/14/09 2:00pm

Great Unsung Slash Fiction Heroes

When it comes to slash fiction - fans' illicit writings about same-sex hook-ups - people always talk Kirk/Spock. Or Snape/Everyone. But here are some valiant science-fiction heroes who secretly rule the world of slash fiction. » 4/14/09 1:52pm 4/14/09 1:52pm

Star Trek's Pon Farr Fragrance Ads Help You "Leave Logic Behind"

Ladies, discover how you can fulfill "the needs of the one," with this exclusive look at the Vulcan fragrance Pon Farr. There are also new ads for Star Trek fragrances Tiberius and Red Shirt. » 4/14/09 12:55pm 4/14/09 12:55pm

New Research Could Put an End to Menopause

Last week, scientists possibly found the key to making men (temporarily) infertile, and now science may have discovered the secret behind female fertility, allowing women to finally say goodbye to the ticking baby clock. » 4/14/09 12:00pm 4/14/09 12:00pm

Creepy Tween Robot Learns The Hard Way About Puberty

Being a pubescent robot is confusing. Between the strange robo-boners to getting caught sneaking a glance in the girl's locker room, Inochi isn't having much luck. » 4/13/09 11:10am 4/13/09 11:10am

It's Spring Mating Season - In Space! [NSFW]

Spring is here, and the aliens are out cruising for robot babes and human cuties. All week on io9, we'll be celebrating this frisky season. Let's get started with a shocking gallery of sexy scifi. » 4/13/09 8:30am 4/13/09 8:30am