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NASA's Perseverance rover finds Mars rocks that may hint at ancient microbial life.
NASA's Perseverance rover has found rocks in a dried river channel on Mars that may contain signs of ancient microscopic life.
The rover collected a sample with organic carbon and minerals that, on Earth, are often associated with microbial activity.
While this is the strongest hint yet of past life on Mars, scientists remain cautious, noting that non-biological processes could also explain the findings.
The samples will need to be analyzed on Earth for definitive conclusions.
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El rover Perseverance de la NASA encuentra rocas en Marte que pueden sugerir vida microbiana antigua.