The U.S. House of Representatives passed Joint Resolution 140 on Wednesday evening by a 214-208 vote, with one Democrat and ...

Ninth Circuit judges appeared to grapple Wednesday during oral arguments with the potential harms of their decision on ...

The Supreme Court on Tuesday rejected an appeal from Apaches who are fighting to halt a massive copper mining project on federal land in Arizona that they hold sacred.The justices left in place lower ...

A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.

President Donald Trump’s plan to slap a 50% tariff on copper imports is exposing the tangled web of regulations that have long stifled America’s ability to mine and refine its critical minerals. While ...