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NASA Rovers Reveal Mars' Climate Shift 3.5 Billion Years Ago

7/4/2025

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Summary

Story summary

NASA's Mars rovers, Curiosity and Perseverance, have unearthed carbonate minerals that unveil a dramatic climate shift on the Red Planet. Around 3.5 billion years ago, Mars transformed from a warm, watery haven to its frigid state today, as atmospheric carbon dioxide vanished, likely trapped in sedimentary rock, forever altering its climate and water landscape.

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Story summary

NASA's Mars rovers, Curiosity and Perseverance, have unearthed carbonate minerals that unveil a dramatic climate shift on the Red Planet. Around 3.5 billion years ago, Mars transformed from a warm, watery haven to its frigid state today, as atmospheric carbon dioxide vanished, likely trapped in sedimentary rock, forever altering its climate and water landscape.