Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

To get there, you’ll have to hike a vertical mile into the depths of the Grand Canyon. This sought-after campground fills up quickly, so plan ahead and get your permit early. A few walk-in permits may ...