5 years ago
A physicist proposed a pretty depressing explanation for why we've never seen aliens
The Universe is so unimaginably big, and it's positively teeming with an almost infinite supply of potentially life-giving worlds. So where the heck is everybody? At its heart, this is what's called the Fermi Paradox: the perplexing scientific anomaly that despite there being billions of stars in our Milky Way galaxy — let alone outside it — we've never encountered any signs of an advanced alien civilization, and why not?
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