Wind Cave National Park, at the southern edge of the forest, protects one of the longest and most complex caves on Earth, famous for its rare boxwork formations – delicate honeycomb-like structures ...
China begins drilling a six-mile-deep scientific well named Shendi Take 1 to explore the depths of the Earth and its secrets.
An international research expedition involving Cornell has uncovered new details as to why a 2011 earthquake northeast of ...
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