Christina Koch

Record-breaking US astronaut returns to Earth   

NASA's Christina Koch returned to Earth safely Feb. 6 having shattered the spaceflight record for female astronauts after almost a year aboard the International Space Station.

Koch touched down at 0912 GMT on the Kazakh steppe after 328 days in space along with Luca Parmitano of the European Space Agency and Alexander Skvortsov of the Russian space agency.