Science

The auction, meant to ensure sufficient power supply in the future, closed at a record price for the second year in a row.

Though states typically operate lead paint programs, the EPA is responsible for overseeing the implementation, a report says.

Oceans are Earth’s defining feature, its largest ecosystem, and the engine that powers our planet.

The state’s latest proposal would require new buildings in coastal flood zones be elevated an additional 4 feet, rather than 5 feet.

More than 660,000 passengers have flown through Wilmington Airport since 2023. Officials are planning new upgrades and bracing for continued growth.

Seaside sparrows at Cooks Beach have their own “dialect.” Rowan University researchers monitor their songs as a way to track salt marsh health.

The new legislation increases fines for environmental violations and directs the money to impacted communities.

The highest concentrations of PFAS were detected in Southeastern Pennsylvania.

The district’s hives are part of a nationwide trend to place bees in commercial spaces.

A study by researchers at the University of Pennsylvania found composting and feeding food waste to animals would cut carbon emissions.

Penn engineering researchers modified a fungus called Aspergillus flavus, which may have caused lung disease and illness in archeologists who discovered King Tut’s tomb.

Amid the summer heat, we explore the history and future of cold technology, from innovations in freezing to the next generation of air conditioners.

Landlords would be required to certify their properties are lead-free, or safe from the toxin.

After years of collecting consumer DNA, genetic testing companies are monetizing the data. But who should profit — the company or the people who shared their DNA?

The funding includes more than $36.9 million for Pennsylvania and more than $9.8 million for Delaware.