Sigma Pi Sigma Congresses

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The 2025 Physics and Astronomy Congress will be held October 30 - November 1st, 2025, in Denver CO.  The 2025 Congress will be a meeting where participants will be immersed in the theme “Σupporting our Πhase Σhifts (ΣΠΣ).”

The Physics and Astronomy Congresses bring together physics and astronomy students, alumni, and faculty members for three days of frontier physics, interactive professional development workshops, and networking. Sponsored by the American Institute of Physics and hosted by Sigma Pi Sigma, the physics and astronomy honor society, anyone interested in physics and astronomy is invited to attend. Sigma Pi Sigma members directly support student travel, awards, workshops, and mentoring opportunities. Interested in helping out or sending students? Email sps [at] (subject: Sigma%20Pi%20Sigma%20Congress) today.

The 2025 Congress registration page will open in due course. To learn more about the 2025 Physics and Astronomy Congress, please click here. Below is a video you can watch that was prepared for the 2022 Congress. You can also check out this compilation of 2019 and 2016 Congress articles by SPS Reporters and the SPS team, which cover the full breadth and depth of this dynamic meeting. Read more about student and SPS chapter experiences on the press page.