The Solar System: Where’s the Edge?

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The Solar System: Where's the Edge?         If you thought finding a definition for Pluto was contentious, try defining the edge of the solar system. Read More WATCH VIDEO: Is There Anybody Out There? Curiosity or Voyager: Which spacecraft is more likely to find life in space? Is the New Pope Green?         Pope Francis, named after the patron saint of animals, seems to send a message that care for the Earth is entwined with care for the poor. Read More WATCH VIDEO: Where the Catholic Church Stands on Science The Vatican has a conflicted history with the scientific world -- will a new pope change that? Can Drones Save the Elephants?         Anti-poaching teams in Africa and Asia are getting assistance from unmanned aerial vehicles. Read More WATCH VIDEO: Drone Pilots Get Stress Disorders Too Remote pilots suffer from many of the same kinds of stress disorders as those in combat. Paint-On Electronics to Bring Down Costs         A new way of creating the critical polymer molecules in electronics could mean cheaper and greener products. Read More WATCH VIDEO: Crazy Solar Power Plants Check out some strange new ways to harness the sun's rays. Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2013 Discovery Communications, LLC