LunarisLunaris is a scalable, national research data discovery service provided by the Digital Research Alliance of Canada as one of its core Research Data Management services. The bilingual Lunaris platform provides a single point of search for Canada’s multidisciplinary research data held in a variety of repositories including those of post-secondary institutions, departments at all levels of government, research organizations, and national repository initiatives. Information about datasets in the form of metadata records are harvested from repositories and made available for discovery. There are over 80,000 datasets from over 100 Canadian repositories and data collections currently indexed by Lunaris. Additionally, the Lunaris index is harvested by other discovery aggregators, including OpenAIRE Research Graph, Data Citation Index, and Proquest Central Discovery Index.