I think extraterrestrial life do exists but maybe in forms of we cannot imagine or we can reach/search.
As we know too little about the space is difficult to focus on where to search.
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.
