Before COVID-19, major U.S. urban centers were enjoying a resurgence. Now decreased occupancy has downtown economies and ...

Two suspects charged with murdering Philadelphia Police Sgt. James O'Connor have pleaded guilty in federal court.

Jan. 20, 2025, marks five years since the CDC reported the first laboratory-confirmed case of COVID-19 on American soil.

Engineering and medical researchers at Penn have developed a groundbreaking framework that can determine the best and most ...

Dr. Matthew Memoli, a National Institute of Allergy and Infectious Diseases researcher focused on flu and other respiratory ...

As U.S. police departments release preliminary or finalized 2024 crime numbers, many are reporting historic declines in ...