2012: The year in space(36 images)

From Solar storms to the retiring of the Shuttles "Atlantis" and "Discovery", this constantly updated collection features the top space news photos of 2012.

A Martian dust twister is shown tearing across the planet in this photo by NASA's Mars Reconnaissance Orbiter on February 16, 2012, just released. The twister rises up more than a half mile high in the Amazonis Planitia region of northern Mars. The dust devil is 100 feet wide. Dust devils occur on both Earth and Mars. UPI/NASA | License Photo
0 of 0