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The Guardian (Long Read) ·For the curious

The Great Silence: Why Haven’t We Found Any Aliens Yet?

by Adam Kirsch

Published 2026-08-11 04:00:04+00:00

If an alien civilisation were truly advanced, would it still care about building rocket ships?

0:00 / 31:54 · Narrator Vindemiatrix

Context

For decades, astronomers have scanned the stars for radio signals and found absolute silence. In this Guardian long read published on 11 August 2026, the absence of aliens becomes a mirror for humanity. The famous Fermi paradox—the question of why the cosmos feels so empty—pushes science directly into philosophy. If the universe is unfathomably vast, Earth's total isolation suggests the leap from stardust to intelligent life is a vanishingly rare accident. Ultimately, the search for extraterrestrials turns out to be a quiet reflection on the fragile improbability of human life.

Show notes

An account of the scientific search for extraterrestrial life, from the origins of radio astronomy to modern exoplanet discovery. Using the Drake equation to frame the problem, it explains why decades of observation have produced no signs of alien civilizations. It outlines theories for this cosmic silence, showing how our assumptions about extraterrestrials reflect our own biological and technological history.

Read on The Guardian (Long Read) →