Six Theories on the Fermi Paradox and the Search for Extraterrestrial Life
To the point
Six theories explain the Fermi paradox and why we haven’t detected extraterrestrial life, from the Great Filter and dormant civilizations to rare Earth conditions, hidden oceans that hinder signaling, and the possibility that we’re simply ahead of contact, with contributions from Robin Hanson, Duncan Forgan, Evan Solomonides, Alan Stern, and institutions like NASA, ESA, and SETI.
