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  1. The First (And Only) Time We Sent a Cat to Space

    The First (And Only) Time We Sent a Cat to Space

    7
  2. This Giant Space Flower Could Help Us Find A New Earth

    This Giant Space Flower Could Help Us Find A New Earth

    12
  3. Space, Goats, and Climate Change

    Space, Goats, and Climate Change

    16
  4. We've Been Collecting This Fossil for 15,000 Years

    We've Been Collecting This Fossil for 15,000 Years

    7