An international team of astronomers using the NASA/ESA Hubble Space Telescope has discovered a ghostly ring of dark matter formed long ago during a colossal collision between two galaxy clusters. This is the first time that dark matter has been found with a distribution that differs substantially from the distribution of ordinary matter. Read more at: <a class="link" rel="nofollow" href="http://www.spacetelescope.org/news/">http://www.spacetelescope.org/news/</a>
