To use a quote from "Contact" - "The Universe is a pretty big place, it’s bigger than anything anyone has ever dreamed of before. So if it’s just us, seems like an awful waste of space, right?"
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.