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Finding Life Beyond Earth Preview

  • Aired: 10/19/2011
  • 00:30
  • Rating: NR
Scientists are on the verge of answering one of the greatest questions in history: Are we alone?
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Finding Life Beyond Earth Preview
Finding Life Beyond Earth Preview
Airs Wednesday, August 20, 2014 at 9:00 p.m. ET/PT. Check your local listings.
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