Cat Sims, 44, admitted her legs have always been achy, heavy and uncomfortable but the last thing she expected after some ...

The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...

The company released its preliminary findings from an investigation into Monday’s explosion that killed two workers.

A gas valve failure during maintenance work may have led to the fatal explosion at the U.S. Steel Clairton plant in ...

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

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

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead and sent 10 to hospitals, the company said Friday. U.S ...

Nearly a week after a mechanical failure led to millions of gallons of water dumping out of Alice Lake at William O'Brien State Park, Minnesota's Department of Natural Resources is trying to focus on ...

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...