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

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

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

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

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

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

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

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

Flushing of a gas valve made during maintenance preparation may have led to the deadly explosion at the U.S. Steel Clairton ...

Speaking after a high-profile summit with Russian President Vladimir Putin in Alaska, Trump told Fox News host Sean Hannity ...

The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than ...