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The Conversation USA

Earth may have had all the elements needed for life within it all along − contrary to theories that these elements came from meteorites

  • Written by Shichun Huang, Associate Professor of Earth and Planetary Sciences, University of Tennessee
imageScientists still debate the origins of Earth's life-sustaining elements.BlackJack3D/E+ via Getty Images

For many years, scientists have predicted that many of the elements that are crucial ingredients for life, like sulfur and nitrogen, first came to Earth when asteroid-type objects carrying them crashed into our planet’s surface.

But new...

Read more: Earth may have had all the elements needed for life within it all along − contrary to theories...

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