Have any alien civilizations ever existed? Astronomers say the chances are sky-high Posted on June 12, 2016 by verx in Science & patent news Ellie Arroway (played by Jodie Foster) listens for alien signals in the movie “Contact.” (Credit: Warner Bros.) Are we alone? Fifty-five years ago, astronomer Frank Drake came up with an equation that weighed the odds for aliens, and... More Comments are closed