Not sure where to start? Take a birds-eye view at the over 80 events happening throughout the festival!

Spark your student’s passion for STEM learning when local engineers, scientists, and other experts visit your neighborhood library to lead FREE after-school programs.

Let us inspire and excite your family with all the wonder that discovery can bring through a day of hands-on activities in two of the city’s most beloved parks.

Step into the “labs” of the area’s leading scientists and more as Philly’s science institutions allow exclusive insider access for one day only.

Events FOR your community, developed BY your community. These events have been developed through thoughtful collaboration meant to serve certain communities in our region.

Join your friends and neighbors to gaze at the starts as local astronomers bring dozens of telescopes to more than 20 stargazing sites across the region.

Who says that the joy and wonder of scientific discovery is just for kids?

Explore all PSF programs available east of the Delaware River!

Science is an art, and art is a science. These projects invite local artists to present interactive installations that join the concepts of science and art.

Can Philadelphia find more animals than Atlanta? More plants than Prague?

Find wildlife, snap a pic, and upload it using the iNaturalist app to take part