Spectacular New Space Station Video Is The Ultimate Holiday Lighting

The ESA has just released this stunning ultra high definition timelapse video, combining 12,500 images taken by astronaut Alexander Gerst during his six-month mission aboard the International Space Station. The views of sparkling cities, glowing aurorae and flashes of lightning are breathtaking. Watch it. Now. » 12/24/14 6:30am Wednesday 6:30am

Who has come closest to winning Civilization in real life?

Games in Sid Meier's Civilization series are loosely patterned off the rise and fall of real-life civilizations. And some of these real-life civilizations had exactly the kinds of ambitions that would win a game of Civilization. Which raises the obvious question: did any of them get close? Has anybody won? Are we all… » 12/22/14 12:01pm Monday 12:01pm

A Planet In The Dreaded "Rotisserie" Alignment Could Still Support Life

One of the criteria for the habitability of exoplanets is their obliquity—the angle of the axis relative to the orbit around a star. Current thinking holds that the more extreme the tilt, the less likely the possibility of life. But MIT researchers suggest one notable exception: a world completely covered by water. » 12/18/14 10:40am 12/18/14 10:40am