A meteor may have led to the formation of the Grand Canyon, a new study has found. While many Americans are familiar with the Grand Canyon’s beauty and uniqueness, they may not be aware of the story ...

A recent study from the University of New Mexico has proposed a fascinating theory about the formation of the Grand Canyon.

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WASHINGTON -- Gazing into the majestic Grand Canyon, awe-struck visitors inevitably ask: "How old is it?"Far older than generally thought, says new evidence that scientists culled from caves lining ...

A stunning fossil discovery in the Grand Canyon has opened a new window into one of the most fascinating chapters in Earth’s history. Buried in rocks that are over 505 million years old, scientists ...

(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 size ...