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 ...

Using energy greater than the global nuclear weapons inventory, an impact event carved two grand canyons into the moon’s surface, and the asymmetrical distribution could clear the way for future lunar ...

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 10 minutes. About the ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks traveling as fast as bullets, a new study finds. Scientists analyzed the ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more. Tom joined ...

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 to ...