ET is out there. We are just a little science experiment they started a long time ago. What we should be worried about is if they will judge us as to be the 'best in show" of the planet Earth. Sure would suck if somebody decided cows were cooler than humans, huh???
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.