SpaceX Delivers Brain Organoids and Artificial-Retina Tech to the Space Station

SpaceX's Dragon spacecraft docked at the International Space Station on 15 October 2026, completing the company's 35th commercial resupply mission for NASA and delivering more than 6,300 pounds of supplies and scientific equipment for Expedition 75. Among the most scientifically significant cargo items were brain organoids — tiny three-dimensional models of brain tissue grown from human cells — intended to investigate neurological conditions including Alzheimer's and Parkinson's disease in the microgravity environment, where cells behave differently than on Earth. The mission also carried equipment for manufacturing artificial retinas in microgravity, with scientists hoping reduced-gravity conditions will improve the structural precision of these tissue constructs and potentially lead to vision-restoration technologies. Three-dimensional heart-tissue models were included to advance drug-testing methods relevant to future long-duration spaceflight. Experimental glass samples were added to study how novel glass types form without Earth's gravity affecting their structure. The mission also delivered the final set of upgraded iROSA solar arrays, expanding the station's power-generation capacity. Dragon is scheduled to remain docked through mid-November before returning to Earth via a Pacific Ocean splashdown off California, carrying time-sensitive research materials back to ground-based laboratories.