Researchers warn that cuts to federal science funding under Trump may jeopardize scientific progress, job security, and ...

A new comparison and analysis of the genomes of species in the genus Malus, which includes the domesticated apple and its ...

The University of Pennsylvania trustees own more than $3.3 billion in real estate in University City, three times more than ...

On April 22, 1970, Philadelphia hosted a six-hour festival in Fairmount Park that drew 25,000 to 30,000 clean-air lovers. The ...