The rivers pouring from the Sierras in 1850 were not the weak trickles of today, their strength drained by canals or sapped ...
NASA's Landsat 8 satellite snapped a stunning top-down view of an "unusually spectacular" Mount Etna eruption. Infrared data ...
From Arizona's canyons to Utah's buttes and beyond, our national parks columnist shares the most adventurous Southwest ...
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