Andy Lester has posted a note on PerlBuzz calling for mentors and students for this year's Google's Summer of Code.
Links here to already signed up mentors, and the proposed list of projects.
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (562 votes). Check out past polls.