These Microbes May Hitch a Ride with Humans to Mars: Why That Matters
By Samantha Mathewson, Live Science Contributor | October 4, 2017 03:13pm ET
When humans finally journey to Mars, they won't be the only living things on board the spacecraft; millions upon millions of microbes that live on and in these pioneering astronauts' bodies will also be along for the ride.
https://www.livescience.com/60602-microbes-may-hitch-ride-astronauts-mars.html
