Space.com on MSNOpinion
How public–private partnerships can turn Mars into an economic frontier (op-ed)
No single agency — not even NASA — can develop all the technologies and systems needed for sustained Mars settlement.
We're getting closer to bioregenerative life support systems for astronauts. I haven't read it, but the Weinersmith family has a book about this same topic that people are saying that it's pretty well ...
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