The California Department of Transportation closed Topanga Canyon Boulevard near the Pacific Palisades Friday afternoon after ...

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

Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

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

An Arizona lawmaker is urging the Trump administration to reconsider federal land protections near the Grand Canyon to allow for mining.

That's good news for scientists and NASA, which is looking to land astronauts at the south pole on the near, Earth-facing ...

From here, you can take the Clear Creek Trail east along the river, or use the corridor trails to make your own route. Check out our Grand Canyon map for itinerary ideas ...

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

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 ...

A researcher at the Grand Canyon Institute offers predictions on what he thinks will happen if tariffs go into effect against Canada and Mexico. He says the impact could be felt before the ...