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 ...

(AP) - New research shows that when an asteroid slammed into the moon billions of years ago ... digging out two canyons comparable in size to Arizona's Grand Canyon in barely 10 minutes. The latter, ...