Back in 2011, a group of paleontologists digging in an open-pit mine in Alberta, Canada, stumbled across something almost too good to be true — the fossil of an armored dinosaur with its skin, armor, ...

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 ...

A proposed open cinder pit mine near Central drew opposition from residents concerned about property values, water contamination and quality of life, but the Washington County Planning Commission vote ...

Seattle Tunnel Partners have resumed digging a repair pit to access the stalled tunnel drilling machine sitting idle under the waterfront. State archaeologists have determined shell deposits ...

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 ...

In July, Alamos expanded its Canadian position with a deal for Argonaut Gold. Alamos Gold CEO says he thinks Mexican politicians will reconsider proposed open-pit mining ban. Post-Labor Day Trading ...