It seems that we are completely alone in the universe. But simple reasoning suggests that there should be an abundance of alien civilizations. Maybe they're all out there, but they are keeping their ...
Hosted on MSN
The Fermi Paradox Zoo Hypothesis
The Zoo Hypothesis is a Fermi Paradox solution that assumes extraterrestrial civilizations can't be detected by our SETI efforts because they keep our whole world in an Alien Zoo. Mary Trump issues ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback