1. I believe in the possibility that life can exist elsewhere.
As for when or how.... your guess is as good as mine.
I would think one of the dangers of such a discovery, would be peoples fear of things they don't understand.
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.