Some of the Most Plausible Scenarios for Alien Civilizations
We have yet to make contact with an extraterrestrial intelligence, making it exceedingly difficult for us to imagine what an alien civilization might be like. But that doesn’t mean we can’t make some educated guesses. Here’s what we know — and don’t know — about aliens.
Top image: Filip Dudek via Concept Ships.
Right at the outset I have to make it clear that this exercise is purely speculative. We’ve never met an extraterrestrial intelligence (ETI), nor can we even be certain they exist.