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

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

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

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

Discover how quadricuspid aortic valve impacts heart failure risk and survival compared with bicuspid valve. Find out more.

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

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

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

Heart valve disease occurs when one or more of the four valves of the heart stops functioning properly. These valves help the ...

Canine mitral valve disease, most commonly stemming from myxomatous degeneration, is the predominant acquired cardiac condition in dogs. This disease is characterised by progressive deterioration ...