A 20-year-old man from California was found dead 1,000 feet below the South Rim of the Grand Canyon, National Park Service ...

Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

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

Even though these particular lunar craters aren't visible from your backyard, Kring says there are similar, but smaller canyons on the near side of the moon that's visible in the night sky. These ...

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

Each year, millions of visitors marvel at the geological intricacy and beauty of the vast chasm of the Grand Canyon carved ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. View of two grand ...

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.

On Monday, a federal judge upheld National Monument protections on parts of the Grand Canyon. On Wednesday, the Navajo Nation reached an agreement with Energy Fuels, the nation's largest uranium ...

For the first mile, the trail gradually gains elevation and skirts the left side of the ridge ... of southeastern Utah but were the last mountain range to be added to the map of the continental United ...