A U.S. appeals court has put the brakes on the transfer of federal forest land in Arizona to a company that plans to mine one ...

President Donald Trump is weighing in on the legal battle over an Arizona copper mine. His state banned phones in class. This ...

Arizona tribal leaders reacted angrily after President Donald Trump said their opposition to a copper mine was un-American.

The project, called Resolution Copper, has been under development by mining giants Rio Tinto and BHP Group for roughly two decades, but it has faced legal challenges from Native American people, ...

Trump criticized a federal appeals court ruling that temporarily blocked a land transfer needed for Rio Tinto and BHP’s ...

The mining giant has taken its lobbying efforts to Washington DC after a US appeals court temporarily blocks the Trump administration from handing a sacred tribal site over to Resolution Copper.

Copper Edges Higher; Jackson Hole in Focus -- Market Talk 0107 GMT - Copper edges higher in early Asian trade. Investors are watching the Jackson Hole symposium for signals on the Federal Reserve's ...

President met with chief executives of the world’s two biggest mining companies to discuss a copper project that could supply the US with a quarter of its demand.

Chris Kline, president of the Arizona News Media Association, said the Arizona papers are currently exploring options for local and out-of-state ownership.

The groups are asking Colorado Parks and Wildlife launch a phased ban of lead ammunition and fishing tackle on state lands to ...

A federal appellate court has put a temporary hold on development of a copper mine planned for the Superior area. The Ninth Circuit Court o ...