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 and the European Space Agency have revised their plans to return samples from Mars, removing a rover and its lander from the effort and replacing them with helicopters modeled on Ingenuity.

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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...