William Shatner and Wil Wheaton, the 'Star Trek' icons who portrayed Captain Kirk and Wesley Crusher, appear in two new NASA videos promoting the Curiosity Mars rover, which is scheduled to land on Mars on Aug. 5.
After its automated docking system failed the first time, the Russian Progress 47 cargo ship successfully passed its second test on Saturday. Now it has un-docked, and is scheduled to burn up in the Earth's atmosphere.
The American flags planted on the moon by Apollo astronauts are still standing, according to new photographs from NASA's Lunar Reconnaissance Orbiter. The only one that is not standing is the one from Apollo 11, the first manned mission to the moon.