Science

The district attorney's probe of the Mariner East project began in December.

When flames started to burn down the hill toward his family ranch, Charlie Lovick saw his chance: He kept a cool head and took action.

Deemed the most ecologically sensitive, Category One waterways are protected against any degradation in water quality.

One western Pa. site has arsenic counts 372 times the 'safe' level.

Beth Moses, Astronaut Trainer for Virgin Galactic, flew aboard its latest test flight as its first passenger. The VSS Unity flew into spa ...

Chester residents have been dealing with the health effects of trash incineration in their community, and an influx of plastic waste has reignited the debate.

Tens of millions of dollars are on the line as third-party suppliers dispute Board of Public Utilities’ order not to increase fixed rate during a term of contracts.

Giving nuclear power plants what opponents call a bailout to ensure they stay open could mean a politically risky vote to hike electric bills across the state

Senator Robert Singer has proposed establishing a registry in the N.J. Department of Health that would track any adverse reactions experienced by children under the age of 19.

Scientists say images of craters taken by European and American space probes show there likely once was a planet-wide system of underground lakes on Mars.

The Allegheny County Health Department gave the company five days to respond with a plan to reduce emissions at Clairton Coke Works and its Edgar Thompson and Irvin plants.

The bequest was Carol Orzel’s dying wish, so that others could learn more about her rare disease, fibrodysplasia ossificans progressiva.

Pennsylvania's Department of Environmental Protection has pinpointed 20 locations with high PFAS levels in water sources. They include areas of Bucks and Montgomery counties.

The only member of Pennsylvania’s delegation to support the resolution to date is Democratic Rep. Brendan Boyle from Northeast Philly.

The draft, obtained by StateImpact Pennsylvania, is being actively worked on by state lawmakers, and the specifics could change.