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Los Alamos National Laboratory

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Little green men

Enrico Fermi’s paradox about the lack of evidence for space aliens
July 15, 2013
Little green men

Los Alamos alumnus Enrico Fermi and the galactic neighbor he was surprised we hadn’t met

Fermi’s paradox: aliens ought to be everywhere but don’t seem to be anywhere

In 1950, in Los Alamos, atomic physicist Enrico Fermi famously posed the question “Where is everybody?”—referring to the absence of evidence for aliens in space (or having visited Earth). His argument for why there ought to be alien civilizations, colonies, space probes, and transmissions all over the galaxy, combined with the absence of evidence for any of them, is known as the Fermi Paradox.

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