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 ...

The plant, a massive industrial facility along the Monongahela River south of Pittsburgh, is considered the largest coking ...

Test your knowledge of the week’s events as reported in The Wall Street Journal.