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 ...

The extraordinary formations, each comparable in size to Earth’s Grand Canyon, are hidden on the ... brushed by the mountain summits of Malapert and Mouton, and hit the lunar surface,” Kring ...

This almighty gorge is a true wonder of the natural world and has been dubbed the “ Greek Grand Canyon”. This is due to its ...

Two gigantic canyons on the moon — both deeper than the Grand Canyon — were carved in less than 10 minutes by floods of rocks ...

Our Moon continues to surprise us with amazing features. Scientists recently shared new information about two canyons that ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The Colorado River is the main artery of the Southwest. Find out how drought and climate change are impacting the river's ...

Havasupai elders fight to protect sacred Red Butte Mountain as uranium mine begins hauling ore past ancestral lands near ...

Ann Houghton, a 73-year-old hiker, was found dead in the Great Smoky Mountains National Park after going missing over the ...

The Grand Canyon mid-air collision was among the first ... was supposed to fly over the San Bernardino Mountains to reach its destination, Kansas City. So, what went wrong? Trans World Airlines ...