Big Data from Space 2025 (BiDS25), held from 29 September to 3 October 2025 in Riga, is a biennial event co-organised by the European Space Agency (ESA), the European Commission, and the EU Satellite Centre (SatCen). It brings together experts from academia, industry, and public institutions to explore how large-scale space data and technologies—such as AI and cloud computing—can address global challenges in science, sustainability, and security.