In fact, scientists have discovered evidence for water or hydrogen, a component of water, in special places on the moon.
Reliable power and potential lunar resources make the lunar poles attractive enough to attempt hairy landings on a crater rim. It's up to LRO to make those landings as safe as possible.
NASA's Lunar Reconnaissance Orbiter has completed the first round of environmental testing at the Goddard Space Flight Center in Greenbelt, Md.