daily 10 1,318 15,238 10 Worst Mistakes That Authors of Alternate History Make

quote of the day 420 7,282 Alan Moore sums up everything that’s wrong with the entertainment industry

daily 10 206 67,960 10 Things You Probably Didn’t Know About Love and Sex

chemistry 192 1,085 DNA-tangling molecule could revolutionize treatments for cancer and HIV

psychology 187 8,273 Babies can understand what you’re saying at just 6 months old

concept art 160 8,379 Behold, the Aztec mecha and Mayan cyborgs of our Mesoamerican future

transformers 138 8,833 Transformers 4 is coming. Also, Michael Bay won’t stop directing Transformers movies until the heat death of the universe.

this is awesome 113 40,513 Game of Thrones Valentines: So Full of Win, You’ll Die

this is a disaster 109 14,803 io9’s Official Valentine’s Day Cards, For That Special Geek In Your Life

space porn 109 1,730 Give your valentine one of the biggest roses in the Universe

star wars 88 33,223 The Best (And Weirdest) Science Fiction Toys from Toy Fair 2012

physics 69 14,020 How do we know the universe isn’t already ruled by giant space brains?

quote of the day 58 11,775 Why China’s most incendiary new political novel had to be science fiction

comics we crave 55 3,175 Moebius, angry trucks, and the B.P.R.D. invade comic books on Wednesday

physics 49 9,592 This is the year the Large Hadron Collider finds out the truth about the Higgs boson

biology 44 7,454 Controversial new theory claims life got its start in Russian hot springs

space 43 12,834 A super-sized Sun could explain why Earth didn’t freeze to death long ago

space: 2099 39 20,800 Why Space: 2099 Won’t Be a "Dark and Gritty" Reboot of Space: 1999