Proposed Answers to the Fermi Paradox: A Concise Compilation from Great Filters to Cosmic Zoos

To the point

Many explanations for the Fermi Paradox exist, ranging from there being no paradox at all or civilizations that are too far or hidden to detect, to ideas like a great filter, Earth’s special conditions, or the possibility that we are living in a simulation.

Imminent: Inside the Pentagon’s Hunt for UFOs
Imminent: Inside the Pentagon’s Hunt for UFOs
Luis Elizondo
 UFO Crash Retrievals: The Complete Investigation
UFO Crash Retrievals: The Complete Investigation
Leonard Stringfield
 Vespera II Exploration Station with Smart Technology
Vespera II Exploration Station with Smart Technology
 The Extraterrestrial Species Almanac: The Ultimate Guide to Greys, Reptilians, Hybrids, and Nordics (MUFON)
The Extraterrestrial Species Almanac: The Ultimate Guide to Greys, Reptilians, Hybrids, and Nordics (MUFON)
Craig Campobasso
Our recommendations from Amazon
henry-oliver.co.uk

Henry Oliver - A list of solutions to the Fermi Paradox

As Tim Urban says, ‘We’d estimate that there are 1 billion Earth-like planets and 100,000 intelligent civilizations in our galaxy.’ So there must be aliens. Why haven’t we heard from them? (Read about the Fermi Paradox here.)