The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate about its future just ...

U.S. Steel says its preliminary investigation found that the blast happened after pressure built up while a gas valve was ...

Production at the facility could be affected for some time. Two of the plants six batteries of ovens were damaged in the ...

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

U.S. Steel released preliminary findings about the potential cause of Monday's deadly explosion at U.S. Steel Clairton Coke ...

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

Crews are working to restore operations after the deaths of two employees.

Workers returned​ to U.S. Steel Clairton Coke Works on Tuesday morning, one day after an explosion killed two people.

“Pressure built inside the valve, leading to valve failure and coke oven gas filling the area and ultimately exploding when ...

Authorities said their investigation has shifted to the cause of the explosion after they accounted for everyone who was missing.

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.