Hiring Susie Wiles as chief of staff was Trump’s first major decision as president-elect. It could be a defining test of his ...

This story originally appeared on NPR. A day before the election, James O’Keefe, a content creator known for making ...

According to Philadelphia police, officers responded to a home on the 5400 block of Chancellor Street for reports of a ...

An NPR investigation finds thousands of veterans were pushed into high-cost mortgages by a program that was meant to help ...

Bus, trolley, and transit operators in the city are currently working without a contract. The last contract expired at ...

A Villanova University biologist is studying how geckos stick to surfaces in an effort to replicate this mechanism for new medical adhesives ...

The artificial leaf was a vision for moving beyond fossil fuels. Researchers have since run into obstacles, but continue to push the field forward.

Health providers and legal experts say changes to federal funding, insurance coverage and federal law during Trump’s first presidency could foretell what’s to come.

Lawmakers will hear testimony from the mayor’s administration, the Sixers, community stakeholders and the general public.

A Penn project could help keep urban bats out of your attic and support them in their fight against a deadly disease.