Sigma Pi Sigma, the Physics and Astronomy Honor society

Sigma Pi Sigma exists to honor outstanding scholarship in physics and astronomy, to encourage interest in physics and astronomy among students at all levels, to promote an attitude of service, and to provide a fellowship of persons who have excelled in physics and astronomy. Founded in 1921, Sigma Pi Sigma is a member honor society of the Association of College Honor Societies. Election to Sigma Pi Sigma is a lifetime membership.

Our Members are Leaders in Physics and Astronomy

Every year we induct future leaders in physics and astronomy who have demonstrated academic excellence and dedication to service. When you accept an invitation to Sigma Pi Sigma, you join a vibrant network of over 100,000 scientists, educators, and advocates.

Build Lifelong Connections
Local chapter events, the Physics and Astronomy Congress, and special events present opportunities for lifelong learning and connection to the physics and astronomy community.
Receive Exclusive Member Benefits
Members receive a lifetime subscription to Radiations, the official publication of Sigma Pi Sigma, and are eligible for awards and scholarships.
Give Back to the Community
Through fundraising, outreach, and other service opportunities, Sigma Pi Sigma chapters support the next generation of scientists and promote the value of science in society.
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Induction Process
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Our History
Attendees engaged in discussions at various workshops, while moderators known as
Physics & Astronomy Congress
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Article
What is your favorite memory from your SPS and Sigma Pi Sigma days? Radiations asked, and you answered. Take a walk down memory lane as you read these reflections, and share your own with us at sigmapisigma@aip.org. Some responses have been lightly edited for length and clarity.
More about Sigma Pi Sigma

Association of College Honor Societies (ACHS)

Sigma Pi Sigma is a certified member of the Association of College Honor Societies. ACHS is an organization of honor societies promoting best practices in recognizing and promoting excellence in scholarship, leadership, service, and research, and seek to continually maintain the highest standards by providing annual reports and undergoing regular re-certification. Sigma Pi Sigma has been a member since 1945. Membership can be confirmed at the ACHS website .

Federal Benefits

The US Civil Service Commission has stated that membership in a recognized national honor society (like Sigma Pi Sigma) meets one of the requirements for entrance at the GS-7 level in numerous professional and technical occupations in the Federal service. OPM guidelines.