The great silence: why haven’t we found any aliens yet?
About this episode
The episode explores the paradox of why, given the vastness of the universe, we have not yet encountered any advanced alien civilizations.
Given the size and age of the universe, it should be full of species with technology far more advanced than our own. So where are they? By Adam Kirsch. Read by James Sobol Kelly. Help support our independent journalism at theguardian.com/longreadpod
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