Kara Holsopple: Tell me about some of the older artifacts that you found on the property.

Natural gas company CNX is suing Capital & Main for defamation in federal court for its article about the company’s air ...

The charges allege that Seneca Resources polluted water in eight counties. The company says it is working with the state to ...

The Pennsylvania natural gas company CNX is suing a California-based news outlet for defamation in federal court over an article the news site published about the company’s voluntary air monitoring ...

Republican lawmakers in the Mid-Atlantic want faster permitting, less regulation and an end to the Regional Greenhouse Gas ...

East Palestine residents gathered to hear an update on research being conducted at various universities on the public health impacts of the accident.

The pitch includes 400 buildable acres and access to natural gas reserves, a lot of water and methane from coal mines.

The round goby is a little fish causing big problems in Lake Erie. Pennsylvania is looking to anglers to help stop the ...

Tenaska opened a gas power plant in 2018, and it has only now obtained a draft air permit that environmental groups say is missing requirements.

It’s about 130 miles long, has nine locks and dams, and flows north, from the mountains of West Virginia to the Point in downtown Pittsburgh. That’s where it meets the Allegheny to form the Ohio River ...

No one knows exactly when the roof of Control Room # 2 at U.S. Steel’s Clairton Coke Works started to leak. But leak it did, probably for “years,” in the words of one investigator hired by the ...