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The evolution of the Earth

Credit: NASA/Johnson Space Center
Take a tour through the fascinating geologic record left behind by the major milestones in Earth's 4.5 billion years. Here, we focus on the events that…Read More »









shaped the planet's surface, such as giant impacts and its oxygen-rich atmosphere.   Less «
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Author Bio
Becky Oskin, OurAmazingPlanet Staff Writer

Becky Oskin

Becky Oskin covers earth science, climate change and space, as well as general science topics. Becky was a science reporter at Live Science and The Pasadena Star-News; she has freelanced for New Scientist and the American Institute of Physics. She earned a master's degree in geology from Caltech, a bachelor's degree from Washington State University, and a graduate certificate in science writing from the University of California, Santa Cruz.
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