Environmental and community groups have appealed the Arizona Department of Environmental Quality’s decision to grant an air ...

A central Montana copper mine has cleared its second and final legal challenge before the Montana Supreme Court. In a 5-2 opinion, the court Thursday upheld a permit the Montana Department of ...

Groups sue EPA, hoping to block air quality permit for southern Arizona zinc mine Arizona has no record of cash payments made to executioners Drivers who use southbound Loop 101 in north Scottsdale ...

Minerals Development Oman (MDO), the nation’s leading mining investment firm, has announced the signing of a contract with Finnish industrial machinery firm Metso for the supply of a state-of-the-art ...

Copper IUDs (intrauterine devices) are a safe and effective type of birth control. It works by preventing sperm from fertilizing any eggs. Learn more about how to determine whether it’s right ...

Copyright 2025 The Associated Press. All Rights Reserved. A miner is transported on a stretcher by rescue workers after he was rescued from below ground in an ...

Rio Tinto, the world's No. 2 mining company by market value, on Thursday reported a drop in iron-ore production and shipments from its Australian mines. Fourth-quarter and full-year output and ...

At full capacity, Escondida sits around the 25th percentile in the cost curve, with Rio’s smaller, 100% owned Kennecott copper mine near the middle of the cost curve. The existing open cut mine ...

Analysts, meanwhile, questioned how deeply Codelco tapped its reserves to make its numbers, and said new mines or sources of copper are needed to compensate for degradation of minerals at aging ...

Yukon Metals discovered extensive surface copper ... scale mining opportunities. This news release contains certain forward-looking information, including information about the metal association and ...