Spacewalker Scott Parazynski, anchored to a foot restraint on the end of Discovery's boom, works to repair a damaged solar…
Preparations for dynamic stability tests of the Apollo Command Module and its launch escape system were observed by NASA engineer…
The Bug Nebula, NGC 6302, is one of the brightest and most extreme planetary nebulae known. A blanket of icy…
An active volcanic eruption on Jupiter's moon Io was captured in this false color image taken on February 22, 2000…
The Soyuz TMA-9 spacecraft launches from the Baikonur Cosmodrome in Kazakhstan Sept. 18, 2006 carrying a new crew to the…
This composite image of the Crab Nebula shows x-ray (blue) and optical (red) superimposed.
In December 2004, a neutron star flared up so brightly, it temporarily blinded all the x-ray satellites in space, and…
This view of Uranus was recorded by Voyager 2 on Jan 25, 1986, as the spacecraft left the planet behind…
The Spirit rover had to dig a little deeper to find out more about this martian rock, dubbed "Wishstone." Spirit…
In visible light images, more than a thousand galaxies are seen to lie within a volume about 20 million light-years…