NASA is cutting funding for a Mars landing technology demonstration project by about 85 percent in response to budget reductions to its space technology program and the need to set aside funding within that program for a satellite servicing effort.

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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...