Research in the Department of Geography and Earth Sciences aims to understand the natural and social environments of Planet Earth, the processes that shape them, and the challenges and processes that result from social and environmental change. There is an emphasis on trans-disciplinary research, encompassing perspectives and methods from the sciences, social sciences and humanities. The primary focus is Geography and its interface with the Earth Sciences, but engaging with, drawing from, and contributing to, cognate disciplines from Archaeology to Physics to Sociology. Research groups in the Department of Geography and Earth Sciences include:

Centre for Glaciology

 Quaternary Environmental Change

 River Basin Dynamics & Hydrology 

 Earth Observation and Ecosystem Dynamics

 Cultural & Historical Geography

 New Political Geographies

 Environment and Society 

Research in the Department of History and Welsh History is focused on four chronological periods – Medieval, Early Modern, Modern British and European and Modern Wales – and three thematic areas: Historiography, Technological, Scientific and Medical History, and Media History. In addition, the department maintains traditional strengths in, in the broadest terms, religious, political, cultural, social and economic history. Research Centres include the Centre for Media History, the Centre for the Social and Cultural History of Wales and the Centre for Research in Historiography and Historical Culture.

The Department of International Politics has an outstanding reputation for research excellence, as indicated by the results of the 2008 Research Assessment Exercise, which ranks Aberystwyth first among all international relations departments in the UK

Current Research Groups in the department include: 

Critical and Cultural Politics Group

Environmental Politics

Group on International Theory

International History

International Politics Research Group

Politics and Performance

Politics, Philosophy and International Thought Research Group

Security Research Group

The Global Development Research Group

Research in the Department of Psychology covers staff interests in theoretical and applied fields using a range of research methods The department has particular strengths in the area of psychology applied to health and medicine and in fostering interdisciplinary research. Current staff have particular interest in: psycho-oncology; exercise and health psychology; developmental psychology, perception, social and critical psychology, music psychology, biological psychology, gender (masculinity and femininity), body image, and identity in the 21st century.