The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic ...

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

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

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

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

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

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

Zion National Park to Grand Canyon road trip guide • Discover the best route, scenic stops, travel tips, and must-see ...

In the heart of California, the Sequoia and Kings Canyon National Parks are home to some of the tallest trees on the planet. Here’s how best to explore these other-worldly sites from Visalia, the ...

Groundwater is life in Arizona. Find out how we’re helping Grand Canyon communities manage their limited water supplies.

The most accessible portion of Canyonlands National Park is Island in the Sky. This breathtaking area is home to some of the parks best hikes and overlooks. Canyonlands is part of Utah's Might Five ...