October 4 science roundup spans Mars sulfates and interstellar ices
Astrobiology.com shared six articles, including pieces on exoplanet carbon-to-oxygen ratios and early RNA evolution.
TLDR
Astrobiology.com’s October 4, 2026, roundup links six articles on sulfate deposits in Mars’s Iani Chaos, exoplanet chemistry, early RNA evolution, interstellar-object compositions, chemical clocks in planet-hosting solar analogs, and water’s reported effect on sulfur formation in interstellar ices.
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