Astra is an international, multidisciplinary academic project for the study of the history of western astrological doctrines, techniques, and practices from antiquity to the early modern period. The project is housed in CIUHCT (Interuniversitary Centre for the History of Science and Technology), University of Lisbon, and its developed in partnership with The Warburg Institute, University of London.

The main focus is on the History of Astrology, specifically astrological techniques, and it is open to collaboration with related areas, such as the history of astronomy, medicine, magic, geography, and philosophy. The goal is the study of the history of astrological practices in western culture, by a comprehensive and systematic analysis of the main texts and textual traditions. This entails the study of traditions, concepts, techniques and practices from many perspectives such as historical, mathematical and linguistic.