The Bingham Canyon Mine won't get any deeper, but it might get wider than the current 2.5-mile span of the giant hole Rio ...

SHELL — With temperatures pushing 100 degrees, a half-dozen people spent a recent dry, dusty July day scrambling around an open pit, digging for buried treasure in the hills above the sprawling Red ...

SIOUX FALLS, S.D. (AP) — A gold rush brought settlers to South Dakota’s Black Hills roughly 150 years ago, chasing the dream of wealth and displacing Native Americans in the process. Now, a new crop ...