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  1. Fermi paradox - Wikipedia

    The paradox is named after physicist Enrico Fermi, who informally posed the question—often remembered as "Where is everybody?"—during a 1950 conversation at Los Alamos with …

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

    Oct 22, 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.com

    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 - 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 …

  5. 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 …

  6. 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.

  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 …

  8. How the Fermi Paradox Works - HowStuffWorks

    In 1975, the astronomer Michael Hart alleged that the reason there aren't any aliens here is because they don't exist. If they did, he reasoned, they inevitably would have colonized the …

  9. The Fermi Paradox: If Aliens Exist, Where Are They?

    Mar 23, 2025 · This contradiction between high probability and zero evidence is what we now call the Fermi Paradox. In this deep dive, we’ll explore the fascinating terrain of this paradox.

  10. Fermi Paradox – Definition & Detailed Explanation - Sentinel …

    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 …