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

Much has been learned about the geology of the Grand Canyon and about the history of life on earth since Powell and his crew made their expedition in 1869. "Scroll Down through History" displays ...

A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air ...

In this article, we'll explore six ancient artifacts that add to the canyon's rich history. For those who want to see the countryside in a whole new way while en route to the Grand Canyon ...

Projectiles flying faster than bullets from a blast 130 times bigger than the global nuclear stockpile helped form giant lunar canyons, according to a new study.

The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic ...

The moon's Schrödinger impact basin near the south pole holds two grand canyons formed by an enormous asteroid collision 3.8 ...

The 1956 collision over the Grand Canyon killed more than 100 people. At the time, it was the deadliest civilian plane crash and it remains one of the worst in U.S. history. Here's everything you ...

The Grand Canyon is the biggest canyon on earth ... It entered recorded history in 1540, when Spanish conquistadors under the command of Francisco Vázquez de Coronado peered into its depths.

Federal judge dismisses Arizona GOP lawsuit challenging Biden's designation of Baaj Nwaavjo I'tah Kukveni National Monument ...

When visiting Grand Canyon West, travelers are immersed in the rich culture and history of the Hualapai Nation. This tour will show you the best of the West Rim, including the glass-bottomed Grand ...