For a few hours on the night of Dec. 20-21, the attention of tens of millions of people will be drawn skyward, where there will hang a mottled, coppery globe—our Moon.

On New Year's Eve the Full Moon will rise shortly after sunset—doing just what full moons are supposed to do. In this case, however, it'll be the second full moon in the calendar month of December.

Evidence is mounting of a widespread yet faint signature of water on Earth’s moon that is strongest near the poles.

In June, NASA is sending two satellites, the Lunar Reconnaissance Orbiter (LRO) and Lunar CRater Observation and Sensing Satellite (LCROSS), to the Moon to prepare for a future astronaut landing.