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  "path": "/science/discoveries-inventions/scientists-discovery-geological-history-grand-canyon/",
  "publishedAt": "2026-04-18T07:45:57.000Z",
  "site": "https://www.rappler.com",
  "tags": [
    "Discoveries & Inventions",
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    "United States"
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  "textContent": "The study indicates that the river, around 6.6 million years ago, began to flow into a large depression in the Earth's surface, called a basin, forming a wide and shallow lake east of where the Grand Canyon later took shape",
  "title": "Scientists decipher the geological history of the Grand Canyon"
}