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Published online by Cambridge University Press: 06 October 2025
I present a short overview of the COST Action NanoSpace (“Carbon molecular nanostructures in space”; CA21126) together with the most recent updates. This includes the main motivation and scientific challenges, Action structure and organization (e.g., working groups, tasks, etc.) as well as the main objectives and deliverables. A special emphasis is given to the interdisciplinary approach proposed to attack the Action challenge and the main needs to drive the field forward. Planetary nebulae (PNe) are wonderful astrochemistry laboratories and a dominant source of complex carbon molecular nanostructures (i.e., nanocarbons) in space, being key astronomical objects for NanoSpace. The main goal is to show the power of networking as a tool to understand nanocarbons in PNe as well as to encourage the participation and collaborations between the PNe community and the multiple interdisciplinary research fields represented in NanoSpace.