Health & Science

Analysis of state data finds that lead service lines are potentially harmful to more than 5 million area residents.

This year, with the cost of solar power falling sharply, Penn State signed a deal to buy electricity from a new 500-acre solar farm in Pennsylvania's Franklin County.

A study finds that tuna harvests have increased by an astonishing 1,000% in the last 60 years — a rate some scientists warn is unsustainable.

The Pennsylvania Health Department says one person in the state has died from lung injuries associated with vaping.

As part of its meter upgrade initiative, the Philadelphia Water Department will look for lead service lines inside homes and log the ones it finds.

There was a time when seeing was believing — but that’s changing, thanks to new technology that’s elevating fakery to a whole new l ...

The ban was one of several recommendations made by a task force Gov. Phil Murphy created three weeks ago, as officials look for ways to curb youth vaping.

Machine learning is democratizing special effects — and that might be a bad thing.

So much ethane is coming out of the ground in Pennsylvania, and other drilling hot spots around the country, that chemical plants in the U.S. can’t use it all.

Bird numbers in North America are down 30% from 1970. We look at what's behind the declines, what species have been hardest hit, and how to make your yard bird-friendly.

The solar photovoltaic industry has roots in an unexpected place. More than 40 years ago, oil companies invested in solar research and development that have proved critical.

Lab-grown meat for dogs and cats might be on the market before lab-grown meat for humans.

The workers’ top priority is adding successorship language to a contract. That would require any new owner to honor the union accord already in place.

Hollywood has long exploited our deep ambivalence about clowns, and this fall’s film lineup is no different.

With New Jersey facing rising seas and stronger storms, what are the costs for shoring up coastal towns, who is paying, and are we fighting a losing battle?