I think we should. But this, perhaps, gets us into that more-interesting discussion of whether or not that even exist, a la Fermi’s Paradox. Just today, as I was discussing this article, a friend mentioned “The Great Filter” (which I’d somehow never heard of) and so I’m totally confused about what to believe.
“There have been a few small and unlikely-to-work efforts to beam messages out there in the past, including NASA sending the Beatles song “Across the Universe” into the cosmos in 2008. NASA’s Voyager probe recently left the solar system with a “golden record” created by Carl Sagan and a message, and the space agency’s New Horizons probe will also have greetings on it by the time it exits the solar system.”