Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...
Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...
A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air ...
Everyone knows Arizona is nicknamed the Grand Canyon State. But did you know it's also been called the Baby State or the ...
New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...
The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...
Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.
Trump has a history of downsizing national monuments ... Polling recently released by the Grand Canyon Trust indicated that a substantial majority of Arizonans, including Republicans, favor ...
Everyone knows Arizona is nicknamed the Grand Canyon State. But did you know it's also been called the Baby State or the Sweetheart State at various points in history? Arizona didn't have an ...
The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the ... better understand the murky origins and history of the moon. Studying the moon also could ...