Mars Sample Return
The revised Mars Sample Return strategy does away with a "fetch rover" and its lander, relying instead on the Perseverance rover and helicopters based on Ingenuity.

NASA’s effort to return samples from Mars is facing increasing costs that is putting pressure not just on other planetary science missions but also a major heliophysics mission.

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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...