Ebb and Flow, the twin GRAIL satellites over the Moon.
SpaceX made further progress on its Grasshopper rocket program on December 17. In a 29-second flight, the 10-story tall Grasshopper rocket (a Falcon 9 first stage with Merlin engine) made a 40 meter flight up, then hovered, and then landed safely in the upright position! Watch the cool video on Parabolic Arc's website here: http://www.parabolicarc.com/2012/12/23/spacexs-grasshopper-flies-to-40-meters/
CBC/Canada has a good article on the docking of Soyuz TMA-07M at the ISS. Crewmember Chris Hadfield, a Canadian astronaut, will become the Expedition 35 commander in March: http://www.cbc.ca/news/canada/story/2012/12/21/tech-hadfield-space-station.html
CollectSace published a nice article about the end of the GRAIL mission over the Moon. The twin satellites Ebb and Flow made a planned crash into the lunar surface on December 17. Information about their incredible mission here: http://www.collectspace.com/news/news-121712a.html
A new LANDSAT satellite is on its way to the Vandenberg AFB in California for an upcoming flight. http://spaceflightnow.com/atlas/av035/arrival.html The LANDSAT 5 satellite will be decommissioned in a few more months.