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

The Clairton Coke Works, where an explosion killed two workers and injured 10, has a history of maintenance issues, ...

U.S. Steel Clairton Coke Works' current limited coke-making capacity due to Monday's explosion is prompting concerns.

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

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley Thursday and Friday ...

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

Alexia Kulwiec, an associate professor in the School for Workers at the University of Wisconsin-Madison, said in an email ...

The brother of a motorcyclist killed in Jefferson Hills in March by an allegedly drunken driver is suing the motorist and the ...