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The oldest crystals in the world

In this new article for Geology, Gavin Kenny and colleagues reveal the likely origin of Earth's oldest crystals. New research into the origin of Earth's oldest crystals suggests that they probably formed in huge impact craters ...

dateMay 05, 2016 in Earth Sciences
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Antarctic microbes hold clue to Earth's oxygen

At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became common in the atmosphere. ...

dateJan 20, 2016 in Earth Sciences
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