4 new astronauts reach ISS after NASA's first medical evacuation

Four new astronauts reached the International Space Station this weekend after NASA’s first medical emergency last month.
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Four new astronauts arrive at the International Space Station to replace NASA's evacuated crew

The International Space Station is back to full strength with the arrival of four new astronauts. SpaceX delivered the U.S., French and Russian astronauts to the orbiting lab on Saturday.