A SpaceX spacecraft has left for the International Space Station (ISS) with a US astronaut and a Russian cosmonaut aboard, leaving two seats open for two stranded astronauts, who were unable to return home from the ISS due to technical issues. NASA astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov took off on Saturday from Cape Canaveral, Florida. The Dragon spacecraft, operated by SpaceX, the private company founded by billionaire Elon Musk, is set to arrive at the ISS on Sunday. Originally, astronauts Zena Cardman and Stephanie Wilson were set to be part of NASA’s SpaceX Crew-9 m…