The moon's grand canyons were carved in the blink of an eye
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
Discover Flagstaff, the world’s first international dark-sky city
The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...
Astronomy on MSN3d
The Moon’s epic ‘grand canyons’ were gouged out in 10 minutes by an asteroid strike
The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.
Grand Canyon Trust11d
Winter Guide to the Grand Canyon
Plan a winter trip to the Grand Canyon with our winter guide to the Grand Canyon. Don't let a little snow keep you from ...
A Celestial Escape: Our Stay at Clear Sky Resorts Bryce Canyon
In this fourth installment of my travel series, my wife and I found ourselves back with Clear Sky Resorts—this time at their breathtaking new location near Bryce Canyon National Park. Our previous sta ...
In photos: The Grand Canyon, America’s most iconic natural wonder
The Grand Canyon, located in Arizona, USA, is one of the most iconic natural wonders in the world. Carved over millions of ...