A new Hellbender Preserve in Ohio, named for the salamanders that live there, also highlights the history of early American ...

The Trump administration has proposed big changes to federal protections for threatened and endangered species, habitat, and waterways. The administration says they are needed to keep up with recent ...

U.S. Steel has agreed to pay a fine and prevent oil from one of its plants from discharging into the Monongahela River near ...

A study looked at phosphorus levels in Pittsburgh streams before and after drinking water was treated with a chemical to ...

Pennsylvania has historically taken a “backseat” to addressing concerns about the Chesapeake Bay, but Gov. Shapiro said those ...

Our investigation reveals the lack of oversight of drilling waste moving through Ohio landfills, potentially putting waterways at risk.

Drilling for oil and gas creates waste that can contain heavy metals and radioactivity, and much of it is sent to the same ...

Older adults who live in southcentral Pennsylvania have higher rates of melanoma skin cancer, according to a study by Penn State researchers that found that counties with more farmland and herbicide ...