5/15/2007STScI-2007-172.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)
2/5/2007STScI-2007-084.Hubble Illuminates Cluster of Diverse Galaxies
This NASA Hubble Space Telescope image shows the diverse collection of galaxies in a galaxy cluster called Abell S0740, located more than 450 million light-years away in the constellation... (More)
2006
11/2/2006STScI-2006-515.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-2006-396.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)
1/6/2004STScI-2004-0210.Too Fast, Too Furious: A Galaxy's Fatal Plunge
Trailing 200,000-light-year-long streamers of seething gas, a galaxy that was once like our Milky Way is being shredded as it plunges at 4.5 million... (More)