Arizona's magnificent Grand Canyon is painstaking result of the Colorado River's current wearing away the planet's surface over millions of years. Earth, however, isn't the only body in the Solar ...

The moon's south pole has dramatic terrain. A new study reveals that this region — already known for mountains taller than Everest — also harbors canyons deeper than the Earth’s Grand Canyon. Insights ...

If you've seen photos of the far side of the moon, specifically of two long canyons within what is called the Schrödinger basin and wondered what created them, look no further—researches have ...

The Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about 10 minutes. About the ...

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 Grand Canyon in Arizona got carved by water over millions of years of slow but steady erosion. Two similarly-sized canyons on the moon got carved by flying rocks in about ten minutes. That's ...

Two immense canyons on the moon's far side that rival Earth's Grand Canyon were produced by a cataclysmic collision nearly four billion years ago, according to new research published on Tuesday.

(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 size ...