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The great silence: why haven’t we found any aliens yet? – podcast

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

• Read the text version here

• Support the Guardian today: theguardian.com/longreadpod

• Adapted from We Want to Believe: How Aliens Went Mainstream and Why It Matters, published by Columbia Global Reports on 25 August. To support the Guardian, order your copy from guardianbookshop.com. P&P may apply

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