This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA's Swift spacecraft. It is the…
NASA's Juno spacecraft passes in front of Jupiter in this artist's depiction. Juno, the second mission in NASA's New Frontiers…
When new technologies for airplanes are developed, they need to be tested in wind tunnels to assess their effectiveness. Often,…
This artist's impression shows how the Arches star cluster appears from deep inside the hub of our Milky Way Galaxy.…
Wispy clouds are illuminated by a bright quarter moon behind the tail of NASA's Stratospheric Observatory for Infrared Astronomy, or…
This artist's concept shows us the first time Deep Impact encountered a comet - Tempel 1 in July 2005. Deep…
Principles of air flow are explained to visitors to the wind tunnel exhibit at the USA Science and Engineering Festival,…
At NASA's Kennedy Space Center in Florida, the STS-133 crew takes a break from a simulated launch countdown to ham…
Fast-growing sunspot 1112 is crackling with solar flares. So far, none of the blasts has hurled a substantial CME, or…
On Oct. 7, 2010, NASA's Solar Dynamics Observatory, or SDO, observed its first lunar transit when the new moon passed…
