New research suggests that the Grand Canyon was mostly formed only 5 or 6 million years ago, much more recently than previously suspected. A new study published in Nature Geoscience concludes that ...
Long ago, the Grand Canyon wasn’t a land of plunging ravines and gaping gullies, but the site of towering mountains, not dissimilar to South America’s Andes of today. They are known as the Vishnu ...
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