Dazzling distant galaxiesJanuary 8, 2013 at 10:54 AMLink CopiedRead full article1 / 33Alien Hairspray May Help Us Find E.T.An artist’s impression of the Tau Boötis system. Astronomers are working to detect atmospheres of exoplanets.ESO/L CalçadaAn artistic sampling of some far-away worlds. View comments