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Nasa’s Perseverance. NASA/JPL-Caltech, CC BY-SA Thomas Cheney, The Open University There are two planned Mars landings in 2021. First, Nasa’s Perseverance rover is due to land on the planet later this month. Then China’s Tianwen rover will follow in May. Both missions intend to search the planet for signs of life. But how do we make sure when our landers …
Read More »Mars: how scientists prevent Earth’s microbes from contaminating other planets
