Two gorges on the moon that are deeper than the Grand Canyon were carved out in less than 10 minutes by space rocks travelling at the speed of a bullet, astronomers have revealed. The moon canyons, ...

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

Moon Grand Canyon carved out in less than 10 minutes by bullet-fast space rocks - Space rocks travelling as fast as a bullet ...

German skydiver Max Manow pulled off an 'endless skydive,' becoming the first person to hook onto a plane midair over the Grand Canyon.

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

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

The proposed Tusayan development would build a giant mega-resort that threatens groundwater just outside Grand Canyon ...

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

White water river rafting, although mainly thought of as an activity for adrenaline junkies, is a highly underrated outdoor activity and is especially fun durin ...

Southern Appalachian Highlands Conservancy purchased 407 acres in Haywood County to conserve land for wildlife, clean water ...

Officials said improper ash disposal caused a garbage truck to catch fire in Grand Canyon Village last week. GRAND CANYON ...

The Vikos Gorge, a wonder of the natural world in Greece, is known as the "Greek Grand Canyon" because of its cliffs and ...