1/10/2008STScI-2008-0423.Hubble Finds Double Einstein Ring
The Hubble Space Telescope has revealed a never-before-seen optical alignment in space: a pair of glowing rings, one nestled inside the other like a bull's-eye pattern. The double-ring... (More)
10/4/2007STScI-2007-3825.Astronomers Use Hubble and Keck to Identify Dwarf Galaxy
A team of astronomers at the University of California at Santa Barbara report that they have resolved a dwarf galaxy 6 billion light-years away. Weighing... (More)
5/15/2007STScI-2007-1726.Hubble Finds Ring of Dark Matter
Astronomers using NASA's Hubble Space Telescope have discovered a ghostly ring of dark matter that formed long ago during a titanic collision between two massive galaxy clusters. (More)
11/2/2006STScI-2006-5129.Host Galaxy Cluster to Largest Known Radio Eruption
This is a new composite image of galaxy cluster MS0735.6+7421, located about 2.6 billion light-years away in the constellation Camelopardalis. (More)
8/21/2006STScI-2006-3930.NASA Finds Direct Proof of Dark Matter
Dark matter and normal matter have been wrenched apart by the tremendous collision of two large clusters of galaxies. This composite image shows the galaxy cluster 1E 0657-56... (More)