Theory: We’re running out of time if we ever want to meet aliens

It seems like just yesterday the dinosaurs were frolicking about the canyons of Pangaea, living their last few oblivious moments before an asteroid changed everything. You don’t really notice it while it’s happening, but 65 million years goes by pretty fast. At least it does in the grand scheme of things. The universe has been around some 14 billion-or-so years according to the Big Bang Theory. In that context, 65 million years is just a few flakes of sand in a giant hourglass. And that makes it all the more scary to read a pre-print research paper suggesting that our…

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