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Why Neil deGrasse Tyson doubts a real Mars colony will happen

For years, popular culture has treated a human settlement on Mars as an almost inevitable next chapter, a matter of engineering and willpower rather than fundamental limits. Astrophysicist Neil ...
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A decade after the release of 'The Martian,' a planetary scientist checks in on real-life Mars exploration

Andy Weir's bestselling story "The Martian" predicts that by 2035 NASA will have landed humans on Mars three times, perfected return-to-Earth flight systems and collaborated with the China National ...