Galaxy STEM Fest

Get ready to blast off into the future at Galaxy STEM Fest!

Last year was so much fun, we’re gearing up to do it again! Join us for a fun and free festival that’s a fusion of history, sci-fi, and STEM, with presentations, hands-on activities, cosplay, food trucks, and much more. Join us as we explore the intersections of imagination and innovation, igniting curiosity and inspiring the next generation of science explorers!

Cosplay Groups and Vendors:

–  Arizona Ghostbusters (with Ecto-1 and the Stay Puft Marshmallow Man!)
–  Art by Jalila
–  Mad Science
–  Phoenix Public Library
–  STEAM Superheroes
–  The United Federation of Phoenix
–  Vampire Penguin

 

Interested in being a vendor?

If you are a vendor in a STEM-related field, you could be a vendor at Galaxy STEM Fest! Fill out the form below.

  • Directions and Parking

    Address: 602 E Adams St, Phoenix, AZ 85004

    Heritage Square is located Heritage & Science Park on the Southeast corner of 6th Street and Monroe (1 block south of Van Buren and west of 7th Street) in downtown Phoenix, Arizona. The Heritage Garage offers public parking, and is conveniently located on the Southeast corner of 5th Street and Monroe.

    Bus routes 1, 3, and 7 all stop at Van Buren and 7th Street. Light rail stops at 3rd Street and Washington (west bound) and 3rd Street and Jefferson (east bound).

Event info

Saturday, April 19th, 2025

More event information, including presentations and vendors, coming soon!

The Stay-Puffed Marshmallow Man and Ecto-1 in front of Rosson House Museum at Galaxy STEM Fest 2024, courtesy of the Arizona Ghostbusters.

 

See the Rest of the Square

There’s so much more to do!

While you’re at the Square for Galaxy STEM Fest, don’t forget to check out our Audio Tour, our Museum Store and Visitor Center, and the Rosson House Museum, as well as the new and old local businesses here at the Square – Stemistry, Que Sazón, The Diaspora Collective, and Pizzeria Bianco.