1. Yes i do. With the infinate size of space, how could there NOT be life elsewhere.
2. Not sure. I'd like to think that any life out there that has advanced enough to receive a beacon would be friendly. But.......
3. I'm glad to do my part. I hope my contribution helps the overall efforts.
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.