4/16/2009STScI-2009-1713.Galaxy Cluster MACS J0717
The most crowded collision of galaxy clusters has been identified by combining information from three different telescopes. This result gives scientists a chance to learn what happens... (More)
4/1/2009STScI-2009-1516.Hubble Finds Hidden Exoplanet in Archival Data
In 19 years of observations, the Hubble Space Telescope has amassed a huge archive of data. That archive may contain the telltale glow of undiscovered extrasolar planets... (More)
3/17/2009STScI-2009-1218.Quadruple Saturn Moon Transit Snapped by Hubble
Saturn's comparatively paper-thin rings are tilted edge on to Earth every 15 years. Because the orbits of Saturn's major satellites are in the ring plane, too, this alignment... (More)
3/3/2009STScI-2009-1020.Trio of Galaxies Mix It Up
Though they are the largest and most widely scattered objects in the universe, galaxies do go bump in the night. The Hubble Space Telescope has photographed many pairs of galaxies... (More)