State regulators say a wastewater permit protects aquatic life, but opponents say old survey data is not enough for discharge ...

Climate change is bearing down on us; temperature records are constantly being made and broken, and severe storms and flooding have been wreaking havoc in many parts of the world. In an attempt to ...

The world can mine copper to fuel the green energy transition, or it can mine copper to build the infrastructure of developing countries—but it will be extraordinarily difficult to do both, according ...

Copper cannot be mined quickly enough to keep up with current U.S. policy guidelines to transition the country's electricity and vehicle infrastructure to renewable energy, according to a new study.

MOHAWK, MI – This Copper Country mine is unique in that it was wildly unsuccessful. In its 40 years of operation, it didn’t ...

Some photos were taken by older cameras, including an 8 by 10-inch folding camera.

The futures contract holdings platorm structure and tax reporting differences between COPX and CPER explain much of their ...

Rio Tinto Group has resumed exports of copper concentrate from its vast Oyu Tolgoi copper mine in Mongolia following a short protest.