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Aliens Could Be All Around Us—But We’re Totally Unprepared for ‘First Contact’

created: Feb. 13, 2025, 10:16 p.m. | updated: March 19, 2025, 5:36 p.m.

<p>It’s only a matter of time before we find the aliens, scientists say. So what should happen next?</p>

10 months, 1 week ago: Latest Content - Popular Mechanics