Does extraterrestrial life exist? Likely. Does intelligent extraterrestrial life exist? Unsure. The latter begs the question: Where are they? However, the search for extraterrestrial life, intelligent life in particular, is perhaps humanity's most noble pursuit.
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.
