We're not alone in the univerese. But will we know where other space inhabitants are? We'll never know unless we try. But is it safe to have such knowledge? Perhaps it is better not to know the truth? Who knows? I know that it is our human nature to keep searching, no matter what will happen next.
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.