The explosion at U.S. Steel's Pittsburgh-area plant has reignited debate about its future. The plant, part of a long-standing ...

The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...

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

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near ...

LIMA, Peru -- An explosion on a street in a northern Peruvian region plagued by organized crime injured at least 10 people ...

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

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

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

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

More than 100,000 Drinkmate-branded carbonation bottles are being recalled across the U.S. and Canada because they can ...

Timothy Quinn, 39, of East Huntingdon Township, also died in the incident. Ten other people were injured. Three of them are ...

The investigation asking if companies in Esparto were involved in activities beyond what their licenses permitted will ...