Scientists are studying Mars to learn about the planet because we don’t know alot about Mars. Mars can possibly become a home for most bacterias that can affect the human species. Bacteria are little creatures that survive a lot of things, which is why they’ve existed for billions of years on Earth. According to iflscience.com, “a team led by German Aerospace Venter PhD student Tommaso Zaccaria decided to see how some local microbes would go in a simulated Martian environment. Rather well, as it turns out, quite possibly too well.”
Read more here: www.iflscience.com/mars-could-be-a-haven-for-bacteria-that-make-humans-sick-72789
or here: www.sciencenews.org/article/microbes-humans-illness-survive-mars