Four new astronauts have arrived at the International Space Station to replace their colleagues who pulled out early over health concerns. SpaceX delivered the US, French and Russian astronauts to the orbital research laboratory 277 miles (446km) up in space, a day after they launched from Cape Canaveral. The new crew members include NASA 's Jessica Meir and Jack Hathaway, France's Sophie Adenot and Russia's Andrey Fedyaev. The last group of astronauts were forced to evacuate after one of them