We found abandoned oil and gas wells were leaking methane into groundwater," study author Samuel Shaheen told Newsweek.

Geochemists at Penn State’s College of Earth and Mineral Sciences recently found in a study that retired oil and gas wells ...

In the dense forests of northwestern Pennsylvania, hundreds of thousands of retired oil and gas wells—some dating back to the ...

A knee-high pipe sticking out of the ground not far from a school. A gurgle in a pond on rolling farmland. A patch of forest undergrowth hiding a long-forgotten, leaking oil well. Relics like these ...

Nearly a year-and-a-half after an environmental nonprofit appealed the Department of Environmental Protection’s renewal of permits for two Penn Township gas wells, the case will be reviewed by the ...

A statewide study that included water wells in Lancaster County found that 18% of samples exceeded federal maximum contaminant levels for substances commonly known as "forever chemicals” that have ...

In rural Western Pennsylvania, communities routinely spray briny fluids on unpaved backroads to control dust in the warmer months and ice in the winter. Often, those liquids are drilling byproducts ...