Life’s Journey: 5 Tiny Organisms Hitch a Ride on Mission to a Martian Moon [Slide Show]

A round-trip journey to Mars would probably kill a crew of astronauts, unless they had some futuristic defense against radiation from the sun and from galactic cosmic rays. Would microbes be hardy enough to survive? We may soon find out

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Life’s Journey: 5 Tiny Organisms Hitch a Ride on Mission to a Martian Moon [Slide Show]