If the proposed mine at Oak Flat is built, it would be deeper than the height of the Eiffel Tower and wider than the length ...

High-voltage grid connections make closed fossil fuel facilities in Pa., nationwide attractive targets for new power as ...

A sinkhole opened in the middle of East Broadway in Uptown Butte this week, a reminder of the more than 10,000 miles worth of ...

The company will mine metallurgical coal, but an environmental group worries the project will exacerbate mine drainage problems in the Laurel Highlands.

President Trump has granted two-year reprieves to dozens of coal-fired power plants for meeting tougher emission standards, ...