There is no reason or evidence to believe that Life exists elsewhere in the Universe other than guesses, hunches and the assumption of probability. In other words, faith in something unseen.
I used to be on board with this view but no more. I now think it’s more likely that We are the only game in town.
Life is so magic, special and Divine that it’s taken all the Universe to brew us up, to bake the cake, with The Good Lord being the Master Chef, lighting the oven as he did so long ago.
They are here.
Now.
https://www.amazon.com/Humanoid-Encounters-AD-1899-HUMANOID-ENCOUNTERS-ebook/dp/B09CDXVQKR
You won’t find them looking through a telescope—or a microscope—or staring at a meter.
You just need to get out in the wilderness—and watch what happens next.