The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the far side of the moon — the side that always faces away from Earth — near the lunar south pole ...

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.

Languages: English. 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 ...

As the sun dipped low to the southwest of the Grand Canyon ... of about 30 gathered to sit and look out over the canyon. As the crescent moon and Venus set in the sky, Koerner played a set ...