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

When horrific situations strike in the Pittsburgh area, such like the U.S. Steel Clairton coke plant explosion that killed ...

Aug. 15, 1895, the U.S. Navy commissioned the county’s first battleship, the USS Texas, which was built in Virginia at the ...

The Trump administration on Friday widened the reach of its 50% tariffs on steel and aluminum imports by adding hundreds of ...

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

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United States Steel Corp. said Friday the fatal blast that killed two workers at its Clairton Coke Works facility in ...

United States Steel said on Friday a fatal blast that killed two and injured 10 others at its Clairton Coke Works plant near ...

U.S. Steel on Friday pinned the blame for the deadly explosion Monday at the Clairton Coke Works on a valve failure that led ...

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

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