The quantum computing firm that's looking to redevelop the former U.S. Steel South Works advanced to the final stage of a Department of Defense quantum computing program.

President Donald J. Trump on Friday afternoon suggested Nippon Steel Corp. has agreed to invest in United States Steel Corp.

United States Steel Corp. CEO David Burritt is reportedly meeting with President Donald J. Trump on Thursday at the White ...

PITTSBURGH — The investment firm Ancora is pushing United States Steel shareholders to drop the Nippon Steel merger and oust ...

South Korea is the fourth biggest exporter of steel to the United States, behind Canada, Mexico and Brazil last year, according to American Iron and Steel Institute data. During Trump's first term ...