Soon astronomers expect to find alien 'Earths' by the dozens in orbit around distant suns. Before the decade is out, telltale signs that these planets harbor life may be found. If they are, the ramifications for all areas of human thought -- from religion and philosophy to art and biology -- will be breathtaking. Meet renowned astronomer Ray Jayawardhana and discover news from the front lines of the epic quest to find planets -- and alien life -- beyond our solar system. Ray Jayawardhana is a professor and Canada Research Chair in observational astrophysics at the University of Toronto, the author of 'Strange New Worlds: The Search for Alien Planets and Life Beyond Our Solar System' (2011), and much more.