NASA has started work to revise its approach to returning samples from Mars after an independent review concluded the current Mars Sample Return (MSR) architecture has an “unrealistic” budget and schedule.

This post is only available to members.

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...