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

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

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

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

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 ...

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

U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant that ...

Firefighters in Avon, Massachusetts are warning residents about the dangers of tabletop fire pits after one exploded inside a ...

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

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