Allegheny County is boosting air monitoring after a deadly explosion at U.S. Steel’s Clairton Coke Works, a plant with a ...

Neighbors of U.S. Steel's Clairton Coke Works and the plants' workers react to the explosion at the plant on Monday that ...

Two workers were killed and nearly a dozen were injured while they were preparing for a maintenance project at the Clairton facility.

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

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

Producers of metals and other raw materials declined as an elevated wholesale inflation reading drove up the value of the U.S. dollar. Chilean copper giant Antofagasta posted an increase in first-half ...

Ten others were injured, and people who live near the plant were urged to stay inside. Three explosions at U.S. Steel’s ...