Engineers and scientists in NASA’s three spaceflight mission directorates are collaborating on concepts for landing a technology testbed on Mars as early as 2026, and on sending a Mars orbiter to check out Phobos before landing humans on the larger Martian moon to prepare for the final push to the planet’s surface. The work, disclosed at the International Astronautical Congress (IAC) here, adds some detail to the “Journey to Mars” report NASA released Oct. 8 at the ...


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