Colorado Plateau's dramatic canyons: How rivers' ancient pauses and rapid cuts shaped them
Long after tectonic plate movement has created mountains, forces such as weather and river erosion can continue to shape a ...
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How Rivers Carved the Canyons of the Central Colorado Plateau
A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.
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Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About 3.8 billion ...
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Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say
(CNN) — About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary formations, each comparable in ...