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

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

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

Now, scientists believe that they have figured it out. Two huge canyons scored into the surface of the Moon were created in ...

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

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

A federal judge says Arizona lawmakers and others lacked standing to sue the Biden administration over its creation of a new national monument.

A visit to the Grand Canyon is a true bucket list item for anyone ... crater located near the moon's south pole, which was formed when a meteor slammed into the lunar surface.

The closure also means the end of REI's Signature Camps, including one that was planned to open this spring near Grand Canyon National Park, REI spokesperson Megan Behrbaum told The Arizona Republic.

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