Welcome to the National Space Science Data Center, NASA's permanent archive for space science mission data.
The shuttle Atlantis launched on the STS-125 mission at 02:01 EDT on Monday, 11 May. This mission, scheduled to last 11 days, is to service the Hubble Space Telescope. More....
NASA's GLAST satellite launched into orbit on 05 June. More....
NASA's Swift satellite has caught a star going supernova in the act. While astronomers were taking images of SN 2007uy in the galaxy NGC 2770, they noted an extremely bright, five-minute X-ray outburst from another location in the same galaxy. The visible light from what is now designated as SN 2008D appeared a few days later. More....
NASA's IBEX mission, an Earth-orbiting mission designed to make observations of the solar wind's termination shock using energetic neutral atoms, was launched from a Pegasus XL rocket at 13:48 EDT on 19 October 2008. More...
The latest results of the MESSENGER spacecraft's second flyby of Mercury have been released, showing a more dynamic magnetosphere, a previously unknown large impact basin, new results from the exosphere, and new images covering another 30% of the surface. More....
Launch of the Lunar Reconnaissance Orbiter (LRO) has been postponed until 2 June at the earliest.