Do aliens exist?
Why aren't we certain? With fairly recent discoveries like the star,
KIC8462852, which blinks in and out at such irregular
intervals that scientists are suspecting alien activity, we still
lack definitive proof that alien life exists. There are a number of
theories to explain this, and though some people are convinced they
have seen UFO's in the sky or have been abducted by aliens, these
people are still considered fringe groups with large imaginations.
It's difficult, though, to look out at the billions of stars and to
think that we really are all alone. If we're not alone in the
universe, though, why haven't we had contact with aliens yet?...
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