Robonaut 2, a dexterous, humanoid astronaut helper, will fly to the International Space Station aboard space…
Category: NASA Image of the Day
Discovery’s Last Ride
This image of space shuttle Discovery was taken as the craft began its nighttime trek, known…
Witch’s Brew Aids J-2X Engine Hardware Assembly
Manufacturing of NASA's J-2X rocket engine includes a Halloween plunge into an icy cauldron of liquid…
Ultraviolet
This mosaic of M31 merges 330 individual images taken by the Ultraviolet/Optical Telescope aboard NASA's Swift…
Deep Inside the Milky Way
This artist's impression shows how the Arches star cluster appears from deep inside the hub of…
Taking to the Sky
Wispy clouds are illuminated by a bright quarter moon behind the tail of NASA's Stratospheric Observatory…
A Break in Training
At NASA's Kennedy Space Center in Florida, the STS-133 crew takes a break from a simulated…
Crackling with Solar Flares
Fast-growing sunspot 1112 is crackling with solar flares. So far, none of the blasts has hurled…
Sun and Moon
On Oct. 7, 2010, NASA's Solar Dynamics Observatory, or SDO, observed its first lunar transit when…
Ouachita Mountains
The Ouachita Mountains in southeastern Oklahoma are part of the only major mountain region between the…