
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…