All throughout human history, we’ve gazed up at the stars and wondered if we’re truly alone in the Universe, or if other life — possibly even intelligent life — is out there for us to find. Although there have been many who claim that aliens exist and that we’ve already contacted them, those claims have all withered under scrutiny, with their claimants having cried “wolf” with insufficient evidence. Nevertheless, the scientific case remains extremely compelling for suspecting that life, and possibly even intelligent life, is out there somewhere. Here’s why we must keep looking.

https://bigthink.com/starts-with-a-bang/science-search-alien-life/