Astrobiology links

There a wealth of resources on Astrobiology, many of which provide provocative material for discussion of extra-terrestrial life. Here are some that I recommend for the Trek fan and for the arm-chair exobiologist alike.

Official and metasites

http://astrobiology.arc.nasa.gov/

http://www.seti-inst.edu/

Personal or private groups

http://www.astrobiology.com/

http://www.daviddarling.info/

http://www.islandnet.com/~pjhughes/

http://www.execulink.com/~louisew/lifelinks.htm