It didn’t take long for the moon to get its grand canyons. Vallis Schrödinger and Vallis Planck are two long channels near ...

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

Two canyons on the far side of the moon, each as large as Earth's Grand Canyon, formed within less than 10 minutes, most ...

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

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

Two canyons that splay out from a vast asteroid crater on the moon may have been quickly formed by chains of impacts that ...

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

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

The canyons, each more than 160 miles long and around two miles deep, might have been formed in a stunningly quick and violent rain of debris following a powerful impact 3.8 billion years ago.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About 3.8 billion ...