Health & Science

For decades, slavery created challenges for Black Americans trying to trace their roots. DNA ancestry tests might reveal new answers.

Pennsylvania could have almost 70% of adults fully vaccinated in about three to four weeks.

Pennsylvania is firing a company that performed COVID-19 contact tracing and exposed the private medical information of tens of thousands of residents, state officials said.

As if the spotted lanternfly invasion weren't bad enough.

In N.J., a vaccination card can now get you a free glass of wine, a free season pass to a state park, and a chance to win dinner with the governor and his wife.

The gift will fund expansion of the delivery unit, creation of a birth defects biorepository, and a position in pediatric surgical science.

Host of the Hidden Brain podcast, Shankar Vedantam discusses his new book about why we lie to ourselves and the risks and benefits of self-deception.

A crew of dedicated volunteers removes wineberry and other invasive plants that choke out native species and harm the ecosystem in White Clay Creek State Park.

Temple’s College of Public Health and Prevention Point Philadelphia will host low-barrier, community vaccine clinics twice a week at Step Up to the Plate’s “Love Lot.”

The governor is lifting his masking mandate outdoors and indoors except for crowded settings, though he says federal guidance is confusing.

The CDC's new guidance that it's safe for fully vaccinated people to go without masks, even indoors, has led to a confusing situation for businesses.

The president said he plans to have some 80 million doses of the vaccine distributed overseas by the end of June.

Working long hours poses an occupational health risk that kills hundreds of thousands of people each year, the World Health Organization says.

N.J. Gov. Phil Murphy’s executive order allowing school districts to provide remote instruction will expire at the end of the current academic year.

While capacity limits will be lifted, SEPTA will keep requiring riders to wear masks, in accordance with CDC guidance.