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Flagstaff scientist explains how the Moon got two Grand Canyons
The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...
Grand canyons on the moon? Asteroid strike billions of years ago carved out 2 massive gorges
That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side untouched by that impact and containing older rocks in original condition ...
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The National Park Service has launched the only lottery worth winning
This is your chance to potentially claim one of 450 self-guided rafting tour permits for the Grand Canyon's Colorado River.
The Black Canyon Donkey Derby: How a race for gold became a beloved sport in Arizona
Black Canyon Donkey Derby is coming up next month. If you're unfamiliar with the race, it's a competition where people run alongside donkeys!