science
Martian mudstones hold complex carbon compounds
New analysis of mudstone samples from Mars identified complex carbon structures. The findings build on an earlier report of potential biosignatures from the same location.
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The study examined rock samples collected at a site previously linked to possible signs of ancient life.
Researchers identified carbon structures more intricate than simple organic molecules previously detected on the planet. The same location yielded potential biosignatures in data released last year.
The findings add detail to ongoing examination of Martian geology and chemistry. Further study of the carbon compounds could help determine whether they formed through biological or non-biological processes.
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