- The Goddard Center for Astrobiology --- http://astrobiology.gsfc.nasa.gov
- NASA Astrobiology Institute --- http://astrobiology.nasa.gov/nai
- ISSOL-The International Astrobiology Society --- http://www.issol.org/wordpress
- European Astrobiology Network Association --- http://www.astrobiologia.pl/eana
- Australian Centre for Astrobiology --- http://aca.unsw.edu.au
- SETI Institute --- http://www.seti.org
- The Astrobiology Society of Britain --- http://www.astrobiologysociety.org
- Italian Astrobiology Society --- http://www.astrobiologia.it
- Societe Francaise d'Exobiologie --- http://www.exobiologie.fr
- Centro de Astrobiología --- http://www.cab.inta.es