In Images: How North America Grew as a Continent

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Creating a continent

Credit: USGS.
The landmass called North America is actually pretty young, becoming something close to its current incarnation less than 200 million years ago. Before…Read More »

then, the continent was called Laurentia on its journey back and forth across the equator, as it joined and was separated from supercontinents. Over billions of years, whether Laurentia or North America, the continent took its form through many spectacular collisions and massive rifts. Here's a walk through the geologic history of North America.   Less «
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Becky Oskin, OurAmazingPlanet Staff Writer

Becky Oskin

Becky Oskin is a senior writer for Live Science. She covers earth science, climate change and space, as well as general science topics. Becky was a science reporter at The Pasadena Star-News and 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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