SETI links:

• The SETI Institute Online
  
  
• The SETI League, a membership-supported, non-profit [501(c)(3)], educational and scientific organization Searching for Extra-Terrestrial Intelligence
  This site includes info about the Arecibo Message
  
  
• The Arecibo Observatory Home Page
  
  
• The Science Behind the Extraterrestrial Phenomenon, Includes info about:
  
  the Arecibo Message
  the Evpatoria Message
  
  
• The Project.
  
  
• The The Tucson L5 Space Society
  
  
• Visit this site mantained by Dave Theison, an Astronomy professor at the University of Maryland, College Park, who sparked my initial interest in SETI (lots of great links here)
  
  
• NOVA Online
  
  
• Are We Alone?
  
  

SF links:

• SciFi.com