Science

Despite the grade drop, the report cited long-term improvements in dissolved oxygen in the bay’s waters to help support bay life.

AI-created art has been widely decried as the end of human creativity. But for one Palestinian woman, AI is helping to democratize art.

Psychologist Ellie Brown began studying an arts-focused preschool 20 years ago. Her research shows that creative expression helps kids to learn better.

Philadelphia Gas Works says it is seeking facts in the rate hike case. Climate advocates say the utility is trampling on First Amendment rights.

Delaware’s top environmental regulator apologized Thursday for what he called poor public messaging about emissions from the Delaware City Refinery.

We explore what creativity is, how it works, and how we can use it in unexpected ways.

The EPA last month proposed to give water providers more time to remove toxic PFAS chemicals from drinking water.

Upper Darby School District is planning six Solar for Schools projects. Without federal tax credits, the district says they wouldn’t happen.

The House budget bill Rep. Brian Fitzpatrick voted for would be a “disaster” for business, solar installers say.

North American river otters once lived in every major river system in Pennsylvania. But because of development, otters largely disappeared from the state by the early 1900s.

Repairs to a broken air pollution control device could take two more weeks, a refinery official said.

The EPA regulated "forever chemicals" last year, but recently proposed to rescind certain restrictions.

The air pollutant sulfur dioxide can make breathing harder for people with asthma. The refinery has been releasing it for several days.

On this rebroadcast of The Pulse: Before dinosaurs, before trees — even before Saturn had its rings – there were sharks. The fierce p ...

About 4,500 people are working inside Amazon’s fulfillment center in Wilmington at any given time. After renovations, some of their newest coworkers will be robots.