In visible light images, more than a thousand galaxies are seen to lie within a volume about 20 million light-years…
NASA's Mars Exploration Rover Spirit moved its robotic arm during the rover's 1,277th Martian day (Aug. 6) for the first…
A violent and chaotic-looking mass of gas and dust is seen in this Hubble Space Telescope image of a nearby…
Astronaut Steve Robinson turns the camera on himself during his historic repair job "underneath" Discovery on August 3. The Shuttle's…
Saturn's icy moon Enceladus hovers above Saturn's exquisite rings in this color view from Cassini. The rings, made of nearly…
The Space Shuttle Atlantis crew spread a second set of wings for the International Space Station. The new solar arrays…
Numerous well-known landmarks appear in this detailed view of London taken from the International Space Station on April 5, 2005.…
Westerlund 2, a young star cluster with an estimated age of about one or two million years, is the subject…
This March 27, 2007, image is one of many taken by NASA's Solar TErrestrial RElations Observatory (STEREO) satellites, which have…
The STS-114 crew captured this view of Earth from the Shuttle-Station complex on day nine of the mission.