Humans have scanned and searched the heavens for signs of other advanced civilizations in the universe. And we've found nothing. Absolutely nothing. So maybe we shouldn't be so focused on intelligent life, but on any sort of life whatsoever.
Sure, a tiny microbe may not be as exciting as swapping stories with distant aliens, but signs of non-intelligent life may be much more common, and much easier to find, in our galaxy.
Life, including intelligent life, evolved on Earth. Yet there shouldn't be anything particularly remarkable about our planet; it's just another random world in the galaxy. So if intelligent life happened here, it must be pretty common — common enough that we should be seeing signs of alien civilizations all over the place.
So, where is everybody?
Right in front of your noses. To read more of this drivel, click here.