Christina Koch returns to Earth after a record 328 days in space
Koch also completed the first all-female spacewalk with fellow astronaut Jessica Meir.
Christina Koch
Christina Koch breaks record for longest spaceflight by a woman
The astronaut will have a comfortable lead when she returns to Earth.
Christina Koch will set a record for longest spaceflight by a woman
She’ll help NASA study the effects of extended space travel.
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An ill-fitting spacesuit cancels NASA's first all-female spacewalk
Instead of reconfiguring a new torso, the team decided to swap astronauts.
