The Bug Nebula, NGC 6302, is one of the brightest and most extreme planetary nebulae known. A blanket of icy…
This view of Uranus was recorded by Voyager 2 on Jan 25, 1986, as the spacecraft left the planet behind…
In December 2004, a neutron star flared up so brightly, it temporarily blinded all the x-ray satellites in space, and…
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…
