6/22/2011STScI-2011-172.Pandora's Cluster – Clash of the Titans
A team of scientists studying the galaxy cluster Abell 2744, nicknamed Pandora's Cluster, have pieced together the cluster's complex and violent history using telescopes... (More)
8/19/2010STScI-2010-264.First Use of Cosmic Lens to Probe Dark Energy
An international team of astronomers using NASA's Hubble Space Telescope has devised a new method for measuring perhaps the greatest puzzle of our universe... (More)
8/27/2008STScI-2008-326.A Clash of Clusters Provides New Clue to Dark Matter
A powerful collision of galaxy clusters has been captured by NASA’s Hubble Space Telescope and Chandra X-ray Observatory. The observations of the cluster... (More)
5/15/2007STScI-2007-178.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)
8/21/2006STScI-2006-3910.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)