The Research Challenges in Information Science (RCIS) conference is a leading annual event for researchers and professionals in information science and information systems. It provides an international forum to share cutting-edge research, explore emerging challenges, and exchange ideas across academia and industry. Covering topics such as data management, information systems engineering, human-centered design, AI, digital transformation, and domain-specific applications, RCIS fosters collaboration and innovation. With diverse tracks including research papers, project presentations, and doctoral activities, the conference offers a vibrant community for advancing knowledge and shaping the future of information science. RCIS 2026 will take place in Toulouse, in the heart of the city, offering participants the chance to gather in a dynamic and culturally rich setting in southern France, blending scholarly exchange with the charm of one of European most beautiful urban environments.