NASA astronaut Mike Fincke works on the BioFabrication Facility

iss073e0880232 (Oct. 14, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Mike Fincke smiles for a portrait during maintenance on the BioFabrication Facility inside the International Space Station's Columbus laboratory module. This advanced 3D bioprinter is designed to print organ-like tissues in microgravity, demonstrating the potential to manufacture fully functional human organs using a patient’s own cells.