Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

If you're looking for the ultimate outdoor photo spot, Utah has vibrant purple mountains - and they're near the state's mini" Grand Canyon too!

The Vikos Gorge, a wonder of the natural world in Greece, is known as the "Greek Grand Canyon" because of its cliffs and ...

Ann Houghton, a 73-year-old hiker, was found dead in the Great Smoky Mountains National Park after going missing over the ...

Selfie-related deaths continue to occur all over the world. These are ten of the most dangerous spots around the world to to ...

A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a matter of minutes, ...

Havasupai elders fight to protect sacred Red Butte Mountain as uranium mine begins hauling ore past ancestral lands near ...

Conservatives are calling on President Donald Trump to review President Joe Biden’s massive national monument designations. These include sites near the Grand Canyon, Spirit Mountain, and the Mojave D ...

White Mesa tribe faces new uranium threat as ancestral community becomes destination for nuclear waste and Grand Canyon ore ...

With the Grand Canyon and the Great Smoky Mountains being two of the most spectacular sights in the vast landscape of the United States, it would seem impossible that a single par ...

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...

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