NASA targets moon for a mighty crash

The last thing one usually wants on a spaceflight is a crash, but that's exactly what NASA is hoping for when it launches two new probes at the moon's south pole this week on the first U.S. lunar mission in more than decade. The two probes will tag along with powerful new lunar orbiter that will map the moon's surface to help figure out where astronauts might set up moon bases in the future. More

(Source: MSNBC - Jun 17)