Science

Finding mussel life in the Delaware River is a sign of good water quality, conservationists say.

Fast fashion is creating more and more clothing waste. A PhD student at University of Delaware has a new and simple solution.

It will be the first time the Zero Emissions Bus Conference has come to the East Coast. Organizers say there’s growing interest across the country.

A warmer future could mean bananas, kumquats and pomegranates replace some of the more traditional fruit trees that have thrived for centuries in the Philadelphia region.

Virtual worlds allow us to reinvent ourselves and build new lives. But some of our troubles follow us there. A look at navigating community, love, and work in digital realms.

Industrial farms damage waterways and contribute to climate change. But at Pa.’s only certified organic sheep farm in Montco, the sheep do all the hard work.

At Love ‘N Fresh Flowers in Northwest Philadelphia, Jennie Love teaches the benefits of native plants and DIY fertilizer. All you need are weeds and a bucket!

After over a month of waiting, fishing activities have resumed at Bartram’s Garden. But a portion of the trail remains closed.

Workers in Philly's Old City hit upon a historic cemetery with hundreds of people. It took years to study, identify and rebury them.

The next blue supermoon will not happen until 2032, but supermoons occur more frequently.

Longtime Mütter Museum forensic anthropologist Anna Dhody will continue her work analyzing historic samples, but now in a research institute of her own.

Air conditioning is a century-old technology, but now companies are racing to reinvent it and lower its large environmental footprint.

Blast freezers freeze food super fast and at very low temperatures, which ensures freshness, and cuts down on food waste.

A portion of trail remains closed after testing found small amounts of contamination on the property. Evidence shows similar contamination documented two years ago.

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