manned mission to Mars concept
A NASA manned mission to Mars concept from 2009.

As NASA develops a long-term strategy to support human missions to Mars, one think tank is turning its attention to how to make that strategy sustainable into the next presidential administration and beyond.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...