Many modern devices—from cellphones and computers to electric vehicles and wind turbines—rely on strong magnets made from ...

Low environmental standards helped China become the world’s low-cost producer of rare earths, but Beijing was also focused on ...

With roots dating to the late 19th century, Pittsburgh-based U.S. Steel has produced the materials used for everything from the nation's bridges and skyscrapers to its tanks and battleships.

US tariffs on steel and aluminum doubled to 50% as of 12:01 am ET on Wednesday, a move cheered by the beleaguered US steel industry but decried by heavy users of the metals, from car makers to can ...

The Hull Rust-Mahoning Mine in Hibbing, Minn., has been in operation since 1895 and supplied as much as a fourth of all iron ore mined in the United States during World Wars I and II.