Perseverance sample hole
A hole drilled in Martian rock by the Perseverance rover in its first attempt to collect a sample. Project scientists and engineers are trying to figure out why no material made it into the sample tube as planned.

NASA scientists and engineers are working to understand why the first sampling attempt by the Mars rover Perseverance failed to collect any material.

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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...