#Microbes 🦠 could potentially hitchhike their way to #Mars, even after pre-launch cleaning and exposure to #radiation in space. Their genomes may change so much that they look truly otherworldly. We have recently seen that novel microbes have evolved on the #ISS https://www.bbc.com/future/article/20210510-could-the-perseverance-rover-have-carried-life-to-mars