Add Yahoo as a preferred source to see more of our stories on Google. NASA's Mars Sample Return program has been effectively cancelled, meaning the best evidence of life on Mars could be trapped in ...

BOULDER, Colorado — The existing NASA-European Space Agency effort to establish a Mars Sample Return program is slated to be discontinued. That's the word according to the Commerce, Justice, Science, ...

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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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.