Research news
I want to believe ? but yet another massive search for alien technosignatures just turned up nothing
Hunting for alien civilizations isn't a matter of just waiting around for them to show up; it's the business of combing through enormous volumes of data to look for peculiar signals. The good news is that astronomers have developed an efficient method for doing exactly this. The bad news is that they haven't found anything … yet.
See more (external link) 
https://www.space.com/alien-radio-signals-search-empty