Health & Science

The therapy can help children with a rare genetic eye disorder see better. It comes after two other recent significant developments in gene therapy.

Water impacts continue at numerous Pennsylvania sites where Sunoco is building the Mariner East 2 pipeline two months after a court-brokered agreement.

Temple University students create inexpensive adaptive designs for children with cerebral palsy.

We used to think of nerds as unattractive, pimply or tragically unfashionable — but somehow over the years — the meaning changed.

Pennsylvania's attorney general says the Trump administration has broken the law and "undermined the health and economic independence of American women."

Delawareans who attended the Chincoteague Chili Chowder Cook-Off are being asked to fill out a survey, following an outbreak of food poisoning linked to the event.

As the opioid crisis affects the whole nation, a Philadelphia expert offers strategies to address what's being cast as a problem of supply, addiction, and treatment.

Gov. Chris Christie devotes $200 million in initiatives, rest of his term to battling tide of opioid overdoses.

Hundreds of drivers in Dover got their flu shots through the state’s first drive-thru flu clinic of the year.

EPA administrator Scott Pruitt announced the EPA will formally propose to revoke the Clean Power Plan, Obama’s regulation for carbon dioxide from the electricity sector.

Elon Musk has released a new proposal for becoming a multi-planet species. He is advocating phasing out Falcon 9, Falcon Heavy and Dragon ...

“We’re verging on a big year,” says Mark Garland, director of Cape May’s Monarch Monitoring Project.

National waste service provider discontinues contracts with abortion clinics under pressure.

Getting 161 animals to safety requires choreography and cooperation.

Some ecologists say celebrating 'novel ecosystems' could encourage polluters.