NASA says the International Space Station is covered in bacteria

NASA has catalogued all the bacteria and fungi on the ISS to help better prepare for future missions to Mars
Source: https://www.newscientist.com/article/2198915-nasa-says-the-international-space-station-is-covered-in-bacteria/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home