Blob near ISS during spacewalk traced to radiator coolant, not alien life

During a spacewalk outside the International Space Station, astronauts spotted a mysterious ‘blob’ and were told to leave the area, but it was later identified as coolant leaking from a radiator. The leak was contained and the astronauts returned to the station. The article also notes the ISS’s long-term operation and a planned de-orbit in 2031.