Scientists first saw these somewhat wedge-shaped, transient clouds of tiny particles known as "spokes" in images…
Category: NASA Image of the Day
Tattooed Mars
Originally released Aug. 1, 2007, this image is of Mars' Russell Crater dune field, which is…
Reflecting Merope
In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas…
No Launch Today
At NASA's Kennedy Space Center in Florida, space shuttle Discovery waits on Launch Pad 39A on…
Decade
From 220 miles above Earth, the Expedition 25 crew aboard the International Space Station shot this…
Discovery at Night
Xenon lights illuminate space shuttle Discovery on Launch Pad 39A following the retraction of the rotating…
Face-Off
Robonaut 2, a dexterous, humanoid astronaut helper, will fly to the International Space Station aboard space…
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…