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What if the first civilization on Earth wasn’t human? NASA scientist’s Silurian hypothesis, explained
If people populated the Earth before us, would we even know? That’s the question explored by the Silurian Hypothesis — and it ...
Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...
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