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  1. Fermi paradox - Wikipedia

    The Fermi paradox is the discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence. [1][2][3]

  2. Fermi paradox | Definition, Resolutions, SETI, & Facts | Britannica

    Dec 6, 2025 · Fermi paradox, contradiction between the seemingly high likelihood for the emergence of extraterrestrial intelligence and the lack of evidence for its existence.

  3. The Fermi Paradox: Where are all the aliens? - Space

    Apr 4, 2025 · Discover the Fermi Paradox — why, in a vast universe full of stars and planets, haven't we found extraterrestrial life? Explore the theories behind this great mystery.

  4. The Fermi Paradox: Where are all the aliens? - The Planetary Society

    May 8, 2025 · The Fermi Paradox is the general observation that the conditions for intelligent life to arise don't seem uncommon in the Cosmos, but we don't observe anybody out there.

  5. The Fermi Paradox - Science Notes and Projects

    Nov 14, 2023 · The paradox takes its name for Enrico Fermi, an Italian-American physicist. The story goes that, during a casual lunch conversation in 1950, Fermi questioned why, despite the high …

  6. The Fermi Paradox Where Are All The Aliens - sciencenewstoday.org

    Aug 20, 2025 · The Fermi Paradox arises from this clash between expectation and reality. Logically, the galaxy should be buzzing with signals, spacecraft, or megastructures—visible traces of alien industry …

  7. A Guide to the Fermi Paradox - New Space Economy

    Jun 30, 2025 · The Fermi Paradox presents a stark and unsettling silence in a cosmos that should be full of life. The speculative solutions to this puzzle span the full range of scientific and philosophical …

  8. What is the Fermi Paradox? - Live Science

    Dec 5, 2021 · The Fermi Paradox refers to the dichotomy between the high probability that extraterrestrial intelligence exists and the fact that we have no evidence for such aliens.

  9. Fermi Paradox – Definition & Detailed Explanation - Sentinel Mission

    Oct 16, 2025 · Named after physicist Enrico Fermi, who famously asked, “Where is everybody?” the paradox raises the question of why we have not yet detected any signs of intelligent alien life, despite …

  10. The Fermi Paradox - SETI Institute

    The Fermi Paradox highlights a profound contradiction: if intelligent alien civilizations are common and could expand across the galaxy within just tens of millions of years—an expanse minuscule …