Where are all the aliens? Struggling and hustling, just like us

Aliens where are they Fermi paradox new answer

Conventional wisdom has it that aliens should be either everywhere, or nowhere. A new model suggests they can be both.

If aliens have never visited Earth, does that mean interstellar space travel is just too hard to be worth it? Not necessarily, according to a new model.
via Popular Science "https://ift.tt/2GWYE6j"


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