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Cosmos Possible Worlds is the third series of Cosmos. Hosted by Neil deGrasse Tyson, it ran thirteen episodes from 9 March through 20 April 2020 on National Geographic Channel and Fox.


The host explores possibilities of far away planets and possible futures of our own planet.


  • Ladder to the Stars
  • The Fleeting Grace of the Habitable Zone
  • Lost City of Life
  • Vavilov
  • The Cosmic Connectome
  • The Man of a Trillion Worlds
  • The Search for Intelligent Life on Earth
  • The Sacrifice of Cassini
  • Magic Without Lies
  • A Tale of Two Atoms
  • Shadows of Forgotten Ancestors
  • Coming of Age in the Anthropocene
  • Seven Wonders of the New World


A companion book by Ann Druyan was released 25 February 2020 by National Geographic.