Current and former Rio Tinto staff were on a list of witnesses called to give evidence to a Mongolian parliamentary inquiry ...

In the letter dated Oct. 17, Rio shareholder Palliser urged the company to challenge Teck’s agreed merger with Anglo American N/A to gain control of a tier-one copper portfolio that combined could ...

With a goal of continuing decarbonization, Rio Tinto Kennecott announced Thursday it signed a 15-year power purchase ...

We recently published a list of the 10 Best Copper Stocks to Buy According to Wall Street Analysts. In this article, we are going to take a look at where Rio Tinto Group (NYSE:RIO) stands against ...

The U.S. Forest Service on Monday released a long-awaited environmental report for the Rio Tinto-led (NYSE:RIO) Resolution Copper mining project in Arizona, a critical step in the land swap deal that ...

(Reuters) -The Trump administration said on Thursday it would approve a land swap needed for Rio Tinto and BHP to build one of the world's largest copper mines, despite concerns from Native Americans ...

A U.S. federal judge said Wednesday he will rule by May 14 on whether to block the Trump administration from transferring land in Arizona to Rio Tinto (NYSE:RIO) and BHP (BHP) to build the Resolution ...

A leading British local government pension group has urged mining giants Rio Tinto and BHP to clarify how they intend to protect the environment in and around an Arizona copper project that is opposed ...

(RTTNews) - Rio Tinto (RTPPF.PK, RIO.L, RIO, RTNTF.PK) and Sumitomo Metal Mining Co announced that they have signed the final joint venture agreements to deliver the Winu copper-gold project, located ...

Rio Tinto Plc (NYSE:RIO) shares are trading higher premarket on Monday after it finalized joint venture agreements with Sumitomo Metal Mining (SMM) to advance the Winu copper-gold project in Western ...

Rio Tinto will slash output at Yarwun by 40% from 2026 to extend the refinery's life to 2035 while keeping customer supply ...