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

If the scientists could very precisely measure the proportions of lutetium and halfnium in moon rocks compared to other ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

Two immense canyons on the moon's far side that rival Earth's Grand Canyon were produced by a cataclysmic collision nearly ...

This research helps us understand the violent nature of cosmic collisions and their role in shaping planetary landscapes. By ...

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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 ...

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

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

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

(CNN) — About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary formations, each comparable in ...