The Sindh University Research Journal (Science Series) is an international, peer-reviewed, open-access multidisciplinary science journal, regularly published by the Faculty of Natural Sciences, University of Sindh, Jamshoro, Sindh, Pakistan, since 1964. The journal is accredited and financially supported by the Higher Education Commission Pakistan and is included in the "Y" category of Higher Education's Journal Recognition System (HJRS) for the years 2023–24. The journal is indexed in major online indexing services, including Google Scholar, CrossRef, etc. The journal publishes original scientific research in the form of research articles, review papers, short communications, mini-reviews, case studies, data sources, and case reports pertaining to all fields of Natural Science. The journal was released quarterly from 2012 to 2022. The journal has been reverted to its original biannual (twice a year) schedule starting in 2023, which calls for the publication of two issues in a calendar year between June and December.