ET most likely exists (and have existed, and will exist) somewhere. Although, in the vastness of space and time, the ultimately limited span in which humans will exist makes the likelihood of ever contacting other intelligent life extremely unlikely.
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.
