Science Daily iconScience DailySep 26, 2026

Scientists may have misread a 2-billion-year-old clue about Earth

The discovery raises new questions about what was really happening as oxygen transformed the young planet.

Scientists may have misread a 2-billion-year-old clue about Earth

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The discovery raises new questions about what was really happening as oxygen transformed the young planet.

Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in Earth's carbon cycle, may instead have been produced by local magma,...

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The discovery raises new questions about what was really happening as oxygen transformed the young planet. Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in Earth's carbon cycle, may instead have been produced by local magma, hydrocarbons, and methane-eating microbes.

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Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in Earth's carbon cycle, may instead have been produced by local magma, hydrocarbons, and methane-eating microbes.

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