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Tag: Great Oxidation Event

Did plate tectonics set the stage for life on Earth?

The cooling of Earth’s mantle via plate tectonics increased the amount of phosphorus in the…

Early Earth had a hazy, methane-filled atmosphere

New research suggests that long ago, Earth's atmosphere spent about a million years filled with…

Oxygen Increased When Earth Was Covered in Ice

Oxygen in Earth's atmosphere began to increase about 2.4 billion years ago, at the same…

Antarctic Microbes Hold Clue to Earth's Oxygen

Underwater microorganisms created “oxygen oases” in early step towards spread of oxygen.