[Bingham]

Originally Posted by tom2021

I think humans have explored all possibilities about any intelligent life out there and the reasons we didn’t have contact. What is the most plausible explanation?
1. More advanced civilizations have become extinct.
2. They are watching us, but don’t want to contact.
3. Contact is not possible due to different kind of life forms.
Any other plausible explanations?

https://www.seti.org/fermi-paradox-0