HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation ...

President Donald Trump has taken aim at MSNBC host Nicolle Wallace in a bizarre social media rant. The drama started when ...

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 ...

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

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

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