Science

Grid operator PJM was unable to secure enough promised power to reach its reliability goal during an auction this week.

Cities across the U.S. are required to find lead pipes over the next decade.

The refinery has received more than 50 violations over the last decade.

Road salt applied during winter storms runs off into the groundwater and emerges in surface water streams months later. Advocates say roads can be made safe with less salt.

A look at what happens when searching for the truth is personal - and the answers are not what we expected.

Black Girls STEAMing Through Dance offers after-school classes, training for teachers, workshops and seasonal camps throughout Philadelphia.

The lab is funded by alum John Thackrah and allows students access to live data for market research.

There currently are no federal regulations for microplastics in public drinking water, and most water providers don’t monitor for these contaminants.

A look at the transcendent beauty of life in the Arctic — and how climate change is threatening its survival.

Health systems say AI note-taking tools could save doctors precious hours each day. But some research shows doctors have mixed feelings about the technology.

Before the National Dog Show taped in Philadelphia, it held an off-book barking contest. Here’s what barking tells us about dogs.

The stalled beach nourishment projects come after a new study found that coastal flooding could become the norm in the near future.

Landmark report forecasts water levels and temperature gain but avoids policy prescriptions.

Top signs from researchers that something was written by AI, and how to avoid sounding like a chatbot yourself.

Delaware and Maryland state lawmakers say ratepayers should not pick up the tab for energy-hungry data centers.