Hang this sexy literary pin-up art with pride, and support new writers!

Science fiction and fantasy books are full of amazing female characters, who live on in your mind after you finish reading. And now, a new pin-up calendar celebrates some of the greatest heroines — like this Cory Doctorow-inspired image. Check out more below! » 11/22/13 1:49pm 11/22/13 1:49pm

Archaeologists have discovered the world’s oldest calendar

We usually blame the ancient Mesopotamians for the invention of time-tracking devices. But as a recent discovery in Scotland has revealed, hunter-gatherers may have started using a rudimentary calendar over 10,000 years ago. » 7/15/13 2:00pm 7/15/13 2:00pm

A Dogfight Between a Klingon Battlecruiser and a Federation Starship…

I can't stop staring at this gorgeous image of a Klingon battlecruiser coming down on the USS Sagittarius (NCC-1894) in a low-atmosphere battle. This is the cover of this year's Star Trek: Ships of the Line calendar, and it's really splendid — even though I can't tell where that yellow burst of energy hitting the… » 2/13/12 2:20pm 2/13/12 2:20pm