From the X Files Dept: "Do Advanced Technological Civilizations Exist on the Outskirts of the Milky Way?"

The Kepler space telescope has mapped more than 1,200 planets in one tiny corner of our Milky Way Galaxy. Based on that sample, scientists say that there are approximately 50 billion planets in the entire galaxy based on a conservative estimate of one planet per star in the galaxy, including 500 million that are theoretically capable of sustaining life.

Read More: http://www.dailygalaxy.com/my_weblog/2011/09/from-the-x-files-dept-do-advanced-technological-civilizations-exist-on-the-outskirts-of-the-milky-wa.html