From: redOrbit on Fri, Jul 16 2010 7:50 PM

NASA’s Cassini spacecraft takes us on a guided tour of this mysterious lake on Titan. Credit: NASA

From: redOrbit on Fri, Jul 31 2009 3:21 PM

Go backstage as scientists watch in real-time as the closest-ever pictures of Saturn’s mysterious moon lapetus are beamed back by NASA's Cassini spacecraft.