I am sure life-forms exist on may other planets besides Earth. Either, we lack
the technology to be aware of them or they are so far ahead of us that it is
easy for them to be watching us and yet be 'invisible' to us!
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.