Of course extraterrestrial life exists. It's fun to be able to play a small part in the effort to detect it. We use Distant Suns to see locate the SETI data we are processing.
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.