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  "path": "/story/387632/grand-canyons-origins-traced-to-ancient-overflowing-lake.html",
  "publishedAt": "2026-04-20T10:20:00.000Z",
  "site": "https://www.newser.com",
  "textContent": "The Grand Canyon may owe its shape to a giant ancient lake that, after collecting water for a million years, finally couldn't hold any more. A new study in Science backs the long-argued \"lake spillover\" idea, suggesting the ancestral Colorado River once pooled in northern Arizona about 6.6 million...",
  "title": "Scientists Have a New Clue to How Grand Canyon Formed"
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