If University of Chicago geoscientist Patrick McGuire starts calling the shots, NASA won't have to decide between sending a person or a robot into space. They could just send a "cyborg astrobiologists" — or advanced artificial intelligence riding piggyback on...

Today's the second day NASA attempts to launch Ares 1-X, the experimental launch vehicle for NASA's Constellation program designed to get humans back to the moon and beyond. You can see the launch live here. Yesterday's launch was postponed due...

Planning a trip to Titan, one of Saturn's moons? Well, you're going to want to go prepared. Why not bring along a nuclear-powered boat for sailing the seas of ethane, methane and propane? That's what NASA-funded geologist Ellen Stofan suggests...

When you're floating around in the International Space Station, you're constantly reminded that you're having a literally out-of-this-world experience. Case in point: this is what it looks like when you light a candle in microgravity. Because of the lack of...