Moon boots and Mars boots: anyway you look at it there are a lot of NASA shoes still to drop. Among the agency's missions in perpetual déjà vu status is Mars Sample Return (MSR), an attempt to bring ...

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NASA’s ambitious plan to bring Martian soil and rock samples back to Earth has been officially scrapped. The decision marks a ...

Suggested Citation: "Appendix A: The NASA Mars Exploration Program." National Research Council. 2003. Assessment of Mars Science and Mission Priorities. Washington, DC: The National Academies Press.