Moving mountains: Blasting and clawing toward a safer US 385 in South Dakota’s central Black Hills

Kristen Kilcoin has experienced the good and the bad of the nearly three-year project to rebuild and widen a long stretch of ...
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Scientists stunned: Everest’s summit is ancient seafloor. Here’s why

The rocks on the summit of Mount Everest were created in a warm and shallow sea many years before the Himalayas were formed.