Deep Magma May Have Helped Oxygenate Early Earth, High-Pressure Experiments Suggest
Nature World News | 06.11.2026 02:36
The textbook story of Earth's oxygen centers on microbes. Billions of years ago, photosynthetic cyanobacteria began releasing oxygen, eventually transforming the atmosphere in what scientists call the Great Oxidation Event. A new study suggests the planet's interior may have played a supporting role by showing that deep magma can store far more extra oxygen than scientists assumed.
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