Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

Residents can explore around the remnants of an abandoned coal mine in OC’s backcountry with Irvine Ranch Conservancy.

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

This lodge is all about its spectacular location, within a national monument and between two national parks. It also has fire pits, free s'mores, and access to endless trails and rivers.

For more information, visit Sunset Crater Volcano National Monument's website. Grand Canyon Sunset Hiking Adventure Deep Below The South Rim (36 reviews) Grand Canyon Sunset Tour from Flagstaff ...

Located in Grand Staircase-Escalante ... upturn layers of the Cottonwood Canyon cockscomb, then continue up the loose scree slope to the top of a ridge at 5,100 feet. In 0.2 mile, you have gained over ...