while I think it is rather unlikely that we will find signs of intelligent life out there in the near future (with not even having much prove of alien micro life forms that should be found first statistically), I believe there is lot's of life out there. And I enjoy being part of somethin ditributed around whole the world.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.
