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The Ongoing Mars Missions: Are We Ready to Live on the Red Planet? According to NASA's chief scientist Jim Green, humans will "absolutely" be on Mars in the future. NASA is not alone this time either, there are several other space agencies sending Mars missions. The living conditions on Mars are closer to earth in terms of temperature and sunlight. It’s possible to grow plants by compressing the atmosphere. The race to Mars is the just beginning of that journey to make human life possible and make it our second home.