Rio Tinto is betting that U.S. President Donald Trump will finally give the green light to its giant copper mine in Arizona, the Financial Times reported on Wednesday.

Goldman Sachs on Monday said the copper market is pricing in odds of about 50% that there will be a 10% U.S. tariff on the metal by the end of the first quarter of this year.

Zambia's copper output rose 12% in 2024, buoyed by a recovery in production at key mines as the government counts on the sector to drive economic growth. Output reached roughly 820,670 metric tons, up from 732,

Zambia boosted its copper output in 2024, according to the nation’s mines minister, with the industry overcoming a severe drought last year that had put production at risk.

E6, a De Beers Group company, is developing a copper-diamond composite material to serve as a more effective heatsink.

The mining giant posted a sharp rise in second-quarter copper production thanks to a jump in output at Escondida, the world’s largest copper mine.

University of Oklahoma research highlights copper's importance in developing cost-effective, luminescent materials for green technology applications.

Barrick Gold Corp. is looking to sell its stake in a relatively small Chilean copper mine, as the company focuses on bigger and more profitable operations elsewhere, according to people with knowledge of the matter.

2-Year U.S. Treasury Note Continuous Contract $102.762 0.027 0.03% 5-Year U.S. Treasury Note Continuous Contract $106.281 0.117 0.11% 10-Year U.S. Treasury Note Continuous Contract $108.781 0.234 ...

An employee with the School District of Palm Beach County faces multiple charges after thousands of dollars worth of copper was reportedly stolen at multiple schools, police said.

Elon Musk's Department of Government Efficiency aims to cut U.S. penny production costs, sparking debate on currency reform. Explore the implications and strategies.