A couple of fun space science sites discovered via the SF world:

• Planetary Scorecard: Expensive Hardware Lobbing is a site chronicling our attempts to get expensive hardware safely landed on other planets. via SciFi Weekly.
  
• SpaceRef is a general space science news site with an awful lot of interesting content. via SciFi Weekly.
  
• An Astrobiology Magazine article about the recent Astrobiology Science Conference. via Locusmag.