Added Nov 21 2017

A specialized team of scientists at NASA is tasked with protecting Earth from space-based pathogens and preventing the spread of our germs to the rest of the Universe.

Original article
Date published
November 21, 2017
    How NASA will defend the Earth against plagues from outer space
    Biological contamination goes both ways, mind you. Just as important as keeping extraterrestrial organisms from reaching the surface (aka "backward contamination") is ensuring that our planetary probes carry as few microbial hitchhikers from Earth as possible ("forward contamination"). To that end, in 1958, the U.S.

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