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

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

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 ...

A new study published in The Annals of Thoracic Surgery, a journal from The Society of Thoracic Surgeons, has identified early hemodynamic valve ...

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

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 ...

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

"Pressure built inside the valve, leading to valve failure and coke oven gas filling the area and ultimately exploding when ...

Sept. 24 (UPI) -- A minimally invasive procedure significantly reduced heart failure risk among those patients with valves that don't properly connect in the heart, according to a study.

SAN DIEGO, CA—Patients who received redo surgical aortic valve replacement (SAVR) following bioprosthetic valve failure tended to be younger and lower risk following the 2015 approval of transcatheter ...