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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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."
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.
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.
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.
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.