Tuesday's 2.8 magnitude earthquake was strong enough to be noticed by locals despite Pennsylvania not being known for seismic activity.

A twister and a tremor shook separate corners of Pennsylvania just days apart, weather officials say. Surveyors with the National Weather Service confirmed an EF-0 tornado touched down in Clarion ...

LANCASTER, Pa. — A low-flying airplane or helicopter will be visible as early as this weekend as the United States Geological Survey (USGS) launches a new survey of parts of Pennsylvania ...

The USGS tested 161 Pennsylvania rivers and streams for PFAS, and found 76% contained one or more types of the chemical. The highest concentrations of PFAS were found in high-population areas, ...

Part of the Earth Mapping Resources Initiative – a nationwide collaboration between the U.S. Geological Survey and state geologists – the data will help researchers to develop geologic maps in ...

Pennsylvania Council of Trout Unlimited has been following the forever chemicals issue for years. “Our conservation committee has been gathering and reviewing studies like the USGS-led study to ...

The Pennsylvania Department of Conservation and Natural Resources is searching for a site in central Pennsylvania to house its new $6 million carbon capture, utilization research and storage facility.

The Pennsylvania Geological Survey and those who partner with it are building a new web tool to help potential developers of carbon storage projects peruse the state's geological offerings.

The Pennsylvania Water Science Center run by the U.S. Geological Survey in Fairview Township has been on DOGE’s website since Feb. 26.

A 2.8 magnitude earthquake occurred at about 5:30 p.m. local time on Tuesday, according to the United States Geological Survey ... New York, and Pennsylvania, the USGS reports.