Add Yahoo as a preferred source to see more of our stories on Google. A general view of the exterior of the U.S. Steel Clairton Coke Plant, on March 20, 2024, in Clairton, Pennsylvania. (Jeff Swensen ...

A portion of the Clairton Coke Works, a U.S. Steel plant, is seen Monday, Aug. 11, 2025 in Clairton, Pa. (AP Photo/Gene J. Puskar HARRISBURG, Pa. (AP) — Preparations for a routine maintenance task may ...

U.S. Steel is facing new fines levied by the Occupational Safety and Health Administration as a result of findings that shed new light on why a valve ruptured at its Clairton Coke Plant in August 2025 ...

More than a month after the deadly U.S. Steel Clairton plant explosion, investigators are revealing new insight into how it happened. According to preliminary findings from the U.S. Chemical Safety ...

HARRISBURG, Pa. (AP) - Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead and sent 10 to hospitals, the ...

Workers at a SpaceX facility in coastal Texas are taking the company to court after a valve exploded inside a machine shop and left employees injured. The lawsuit, filed in BRAZORIA COUNTY, TEXAS, ...