A sunny day in early 2026 revealed the remnants of a winter storm on Arizona’s high desert—and produced a striking, if somewhat puzzling, display of light and shadow in the Grand Canyon. An astronaut ...
A research team outlines how it identified and bestowed a moniker upon a previously unexplored 500 million-year-old Grand Canyon formation: The Frenchman Mountain Dolostone. Can you believe that in ...
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