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🔬 Science
April 17, 2026 at 07:11 PM
Scientists Still Don't Know How or When the Grand Canyon Formed. New Research May Hint at Its Ancient Origins
Source:
Smithsonian Magazine
New research suggests the ancestral Colorado River formed an ancient lake 6.6 million years ago, hinting at the Grand Canyon's ancient origins.
Grand Canyon
geology
scientific discovery
Colorado River
ancient origins