NASA: Gravity Recovery And Interior Laboratory (GRAIL)

Gravity Recovery And Interior Laboratory (GRAIL)

Nasa creates new gravitational map of the moon . They say it improves our knowledge of near-side gravity by 100 times and of far-side gravity by 1000 times. Maybe we will even explore alien life on the moon. 

Launched: Sept. 10, 2011
Lunar Orbit Insertion: Dec. 31, 2011 (GRAIL-A) and Jan.1, 2012 (GRAIL-B)
Science Mission: March - May 2012