What would really happen if we got a message from space? How would we react? Scientists and sci-fi writers unravel the impact of this world changing event, forming an intriguing hypothetical scenario.

The below guests are featured in this episode: 

  • Seth Shostak 
  • Neil Tyson
  • Nick Sagan
  • Frank Drake
  • Jill Tarter
  • Douglas Vakoch
  • Dan Werthimer

For even more Alien Encounters, head to discovery+. Go to discoveryplus.com/alienencounters. Terms apply. 

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