I think extraterrestrial life does indeed exist. I believe that God is an infinite being, and I would have to ask myself; "Why would somone as infinite as God limit life to only one planet?"
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.