The International Society for Archaeoastronomy and Astronomy in Culture (ISAAC) is a professional organization, established in 1996, to promote the academic development of archaeoastronomy and ethnoastronomy. The goal of the Society is to enhance the professional status of these disciplines by forming ties with existing international, regional, and national academic bodies; organizing meetings; and assisting in the development of interdisciplinary projects in cultural astronomy in its widest sense.

Some of the participants at “Oxford X”, held in Cape Town, South Africa, in 2014

ISAAC now publishes the (new) open-access Journal of Astronomy in Culture. It is hosted by the University of California eScholarship. The journal will publish twice yearly at the solstices (June and December).

ISAAC is responsible for the “Oxford” series of international symposia on cultural astronomy. These are held at approximately three to four-year intervals and are the principal conferences in the field of cultural astronomy. "Oxford XI" is scheduled to be held in Santiago de Compostela in Spain in September, 2017. This wil be a joint meeting between ISAAC, SEAC, and INSAP.

The Society’s current Officers were confirmed in office at a General Meeting held during “Oxford X”. Minutes may be downloaded here. ISAAC Council was elected in late 2014. New elections will be held at the Oxford XI meeting in 2017.

ISAAC is registered in the United States of America as a corporate body whose aims are exclusively charitable, educational, and scientific. ISAAC’s by-laws can be found here.

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UNESCO’s Portal to the Heritage of Astronomy contains information on a number of archaeoastronomical heritage sites