Science

Ahead of the election, we look at how politics is affecting everything from health care to scientific progress.

The money will help the utility improve the safety of its distribution lines and reduce climate-warming emissions.

Municipalities must locate and replace lead pipes over the next decade. Here’s what you need to know.

Fear is about survival, but it can also feel fun. We explore our complicated relationship with fear.

Archaeologists in Denmark have unearthed a Viking Age burial ground containing some 50 “exceptionally well-preserved” skeletons.

Jackie Robinson, a building trades instructor, spent time in prison but now works at a nonprofit that teaches students how to make homes more climate-friendly.

The federal money will support the state’s move toward more electric vehicles by adding overnight, fast and ultra-fast truck chargers on I-95.

More than 70% of homes in Pennsylvania are estimated to have been built before the 1978 lead paint ban, leaving many kids vulnerable to lead poisoning.

Although bipartisan support for fracking remains high among public officials, Pennsylvania voters continue to be divided and support increased regulation.

Historic dams along the Brandywine River are helping the museum get off the electrical grid.

Once the site of America’s worst nuclear accident, Three Mile Island may get new life as a power source for Microsoft data centers. Is it key to our green energy future?

The lightning bugs’ habitat is being threatened by development and climate change.

The project would be built 40 miles (65 kilometers) off Long Beach Island and would consist of up to 100 turbines, enough to power 1 million homes.

More than one in seven outdoor workers faced heat-related symptoms on the job last year, according to a survey by a research nonprofit.

Red Clay Creek, which provides drinking water for residents in the Stanton area, had some of the highest PFAS levels detected.