This composite image of the Crab Nebula shows x-ray (blue) and optical (red) superimposed.
A violent and chaotic-looking mass of gas and dust is seen in this Hubble Space Telescope image of a nearby…
NASA’s Mars Exploration Rover Spirit moved its robotic arm during the rover’s 1,277th Martian day (Aug. 6) for the first…
In visible light images, more than a thousand galaxies are seen to lie within a volume about 20 million light-years…
The Spirit rover had to dig a little deeper to find out more about this martian rock, dubbed “Wishstone.” Spirit…
The Space Shuttle Atlantis crew spread a second set of wings for the International Space Station. The new solar arrays…
Saturn’s icy moon Enceladus hovers above Saturn’s exquisite rings in this color view from Cassini. The rings, made of nearly…
Astronaut Steve Robinson turns the camera on himself during his historic repair job “underneath” Discovery on August 3. The Shuttle’s…
The STS-114 crew captured this view of Earth from the Shuttle-Station complex on day nine of the mission.
This March 27, 2007, image is one of many taken by NASA’s Solar TErrestrial RElations Observatory (STEREO) satellites, which have…