About The Research School of Astronomy and Astrophysics (RSAA) at The Australian National University is a premier institution dedicated to advancing astronomy and astrophysics. Located at the historic Mount Stromlo Observatory and operating Australia's largest optical observatory, RSAA's mission includes leading observational and theoretical research, providing scientific leadership globally, and training exceptional scientists. It boasts a rich heritage of achievements including a Nobel Prize win and contributions to the Giant Magellan Telescope project. RSAA engages in cutting-edge research across galactic archaeology, cosmology, planetary science, and black hole phenomena, underpinned by innovative scientific instrumentation development. It values diversity, equity, and a family-friendly environment. Director’s welcome A welcome message from the School Director, Professor Stuart Wyithe. Go to the page Mission & values Advancing astronomy and astrophysics, RSAA at ANU commits to research integrity, diversity, environmental responsibility, and a respectful community. Go to the page Our history & achievements In this page with trace the Research School of Astronomy and Astrophysics' legacy from early 20th century, through WWII, to pioneering modern astronomical research. Go to the page I.D.E.A. (Inclusion, Diversity, Equity and Access) The Research School of Astronomy and Astrophysics is committed to creating a safe, inclusive and equitable working environment for all staff, students, academics and visitors. Go to the page Partnerships The Research School of Astronomy & Astrophysics is involved in a variety of collaborative partnerships with other research and technology organisations around Australia and internationally. Go to the page School reviews Access critical reviews and implementation plans reflecting the continuous evolution and rigorous assessment of the Research School of Astronomy & Astrophysics. Go to the page The directors of Mount Stromlo Overview of past and present leaders shaping Mount Stromlo Observatory's legacy in astronomical advancement. Go to the page Behaviour guidelines This webpage outlines the Research School of Astronomy and Astrophysics (RSAA) guidelines and expectations regarding the behaviour of all School members and visitors; it supplements, but does not supersede, the ANU Code of Conduct and applies unless superseded by ANU Rules, Policies and Procedures. Go to the page