Earth's Surface and Interior
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Amid the warm hues of fall foliage, Pine Creek Gorge forms a deep scar in the Allegheny Plateau.
A national monument since the 1920s, Chiricahua is America's newest national park.
Fall color covers the forested slopes of Bieszczady National Park, while patches of polonina, a type of high-mountain meadow, have…
If the thought of extraterrestrial objects crashing into Earth weren’t creepy enough, behold Australia’s Spider Crater.
A bright lens of anorthosite, a rock type prevalent on the lunar surface, is cradled within sheared rocks in the…
A new map of the terrain beneath the Greenland Ice Sheet links hundreds of valleys that previous maps missed or…
An amateur astronomer scouting online satellite maps for campsites in Quebec found an impact crater instead.
Reds, yellows, and oranges are already sweeping across tundra landscapes in Nunavut.
Mexico’s second-largest metropolitan area borders on folded rock layers of the Sierra Madre Oriental.
