[Arecibo]

  • The SETI Institute (Search for Extra-Terrestrial Intelligence) is constantly monitoring the skies for potential communication from intelligent life from other stars.
    One particularly fascinating project is SETI@Home, set to launch next year, which will allow anyone to use the idle processing time of their own computers to help analyze data (much like the RC5-breaking project).

     

  • The National Space Society (NSS) is the largest non-profit pro-space organization.

     

  • The Planetary Society is a non-profit organization co-founded by Carl Sagan which focuses on promotion of the exploration of the solar system and the search for extra-terrestrial life.