Not sure that anything would be crazy enough to land here from mid-Sept ~ May, but you never know (didn't King do that already?). I'm not small-minded enough to think that we're the only "intelligent" life, and - while I'm not sure whether I really want to know - I don't want to not know...
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.