The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long period of ...

They just would keep rigging things together, not fixing stuff. The batteries need to be taken down one at a time and ...

A Mobile Air Unit provided by the Pennsylvania Department of Environmental Protection and Carnegie Mellon University made several stops in the Mon Valley Thursday and Friday, monitoring the air ...

The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long p ...

A deadly explosion at U.S. Steel’s Clairton Coke Works near Pittsburgh has killed two workers and injured ten others after a ...