About the canyons: The two canyons, called Vallis Schrödinger and Vallis Planck, are located on the far side of the moon, so they can only be seen from orbit — not from Earth. Each canyon is over 165 ...
The Grand Canyon in Arizona is one of Earth's natural wonders, carved out over millions of years by the gradual erosion power ...
Ann Houghton, a 73-year-old hiker, was found dead in the Great Smoky Mountains National Park after going missing over the ...
Grand Canyon National Park officials say a scary situation at Grand Canyon Village last week involving a fire could have easily been prevented if proper precautions had been taken. The contents of a ...
A midair collision at the Grand Canyon killed over 100. The disaster partially led to the start of the FAA and changed air ...
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