The Pennsylvania county where an explosion at a U.S. Steel plant south of Pittsburgh killed two people and injured more than 10 others ...

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

In a brown bikini, Danica Patrick showed off her sculpted abs and toned figure while flashing a relaxed smile at the camera.

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified as ...

A second Westmoreland County man was identified as the other victim who was killed Monday in an explosion at U.S. Steel’s ...