News tagged with early earth

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New theory on how Earth's crust was created

More than 90% of Earth's continental crust is made up of silica-rich minerals, such as feldspar and quartz. But where did this silica-enriched material come from? And could it provide a clue in the search for life on other ...

dateMay 05, 2017 in Earth Sciences
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'Baby fat' on the young sun?

To deal with the faint young Sun paradox, researchers are taking a fresh look at an old idea: that the Sun started out larger and more luminous than we thought.

dateFeb 14, 2012 in Astronomy
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Poisonous oceans delayed animal evolution

Animals require oxygen, but oxygenated environments were rare on early Earth. New research from University of Southern Denmark shows that poisonous sulfide existed in the oceans 750 million years ago making large areas of ...

dateOct 24, 2011 in Earth Sciences
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