Friday, 22 January 2016

Where are all the aliens? Maybe they’re mostly microbial (and dead)

Planets-under-a-red-sun
A new theory on why we don't see more life (much less alien civilizations) argues that life might arise easily, but go extinct within a billion years of planetary formation.

from ExtremeTech http://www.extremetech.com/extreme/221784-where-are-all-the-aliens-maybe-theyre-mostly-microbial-and-dead

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