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

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

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

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

An explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others. The CEO has vowed ...

The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long p ...

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

U.S. Steel said its investigation indicates the explosion happened when workers were flushing a gas valve in preparation for ...

An explosion at a US Steel plant near Pittsburgh, Pennsylvania, left two people dead and at least 10 injured on Monday, ...