
Welcome to the National Space Science Data Center, NASA's permanent archive for space science mission data.
NASA's Wide-field Infrared Survey Explorer (WISE) satellite has released data from the first 57% of the sky surveyed during the mission. The satellite went into hibernation in early February 2011, but its discoveries include 20 comets, more than 33,000 asteroids between Mars and Jupiter, and 133 near-Earth objects. More...
The shuttle Atlantis released the Hubble Space Telescope at 08:57 EDT on 19 May 2009 after a successful servicing mission. More...
On 06 February 2011, STEREO A and STEREO B achieved 180° of separation. This enabled, for the first time, the simultaneous observation of the entire Sun. More...
Results of the Dawn spacecraft's mission to asteroid Vesta were released at a news conference held on May 10. For more see the NASA Press Release.
The orbit of the MESSENGER spacecraft at Mercury has been lowered from a period of 11.6 hours to 8 hours to give more time at low altitudes. The maneuvers were completed on 20 April 2012. More......
The Transit of Venus across the face of the Sun takes place on June 5 or 6 (depending on your location) 2012. The next Venus transit visible from Earth will not occur for 105 years.
The Mars Science Laboratory "Curiosity" rover, launched on 26 November 2011, will land in Gale Crater on 6 August 2012 at roughly 05:18 UT (1:18 a.m. EDT).