Saudi Arabia’s first human spaceflight mission has produced its initial scientific breakthroughs. As a result, researchers generated 11 scientific papers and one patent from experiments aboard the International Space Station. These outcomes emerged from the SSA-HSF1 mission launched in 2023. Moreover, the mission completed 19 experiments in microgravity across biomedical sciences, human health, and science and technology. Additionally, several studies involved local and international partners, while further results remain under review.
Biomedical and Human Health Discoveries
In biomedical research, scientists measured blood-based biomarkers to assess human health in space. At the same time, they produced a high-precision nanomaterial for cartilage repair that exceeded Earth-based standards. Furthermore, the mission achieved the first gene-transfer experiment for stem cells conducted in space, which opens new paths for regenerative medicine.
Meanwhile, health-focused experiments examined how short-duration spaceflight affects the brain. Specifically, researchers studied intracranial pressure, optic nerve sheath diameter, cerebral perfusion, and brain electrical activity. In addition, they analyzed telomere length to better understand cellular ageing in microgravity. Consequently, these findings add to knowledge around spaceflight-associated neuro-ocular syndrome and neurological health.
Technology Experiments and Future Impact
In the science and technology track, a cloud-seeding experiment used a novel technique in microgravity. As a result, it demonstrated efficient reactions between water vapour and silver iodide. Importantly, the findings offer insights into how gravity affects condensation. Therefore, the research may support water security efforts on Earth and future lunar and Mars missions.
Acting CEO Dr Mohammed Al-Tamimi said the announced outcomes mark an important milestone in the Kingdom’s scientific journey, reflecting its commitment to advanced research, innovation, and international collaboration in line with Vision 2030. Meanwhile, work continues on the remaining experiments, and additional results are expected to be shared at regional and international scientific forums.







