Yes, there should exist somewhere in the deep space another form of intelligent life...what form, and how to comunicate with it, this is the main problem...
anyway we're not alone, I believe.
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.