How the hunt for Mars life evolved

How the hunt for Mars life evolved. The quest to learn about life on Mars has been lowering its sights for the past century, but researchers think they finally have the right strategy for addressing the key mysteries surrounding the…

Could Titan’s seas harbor life?

          Could Titan’s seas harbor life?. By Alan Boyle A fresh photo from the Cassini orbiter shows the hydrocarbon-rich seas and dunes of Titan, a Saturnian moon that might be capable of sustaining life as we…

Video: NASA launches Mars rover

Visit msnbc.com for breaking news, world news, and news about the economy NASA launches Mars rover NASA sends its Mars rover toward the Red Planet. http://video.msnbc.msn.com/nbc-news/45444559