NASA astronaut Christina Koch returns to Earth following record space mission

American astronaut Christina Koch, who led the first all-female spacewalk in 2019, landed in Kazakhstan on Thursday after a record stay on the International Space Station, ending a 328-day mission expected to yield new insights into deep-space travel. Koch, a North Carolina-born engineer who joined NASA’s astronaut corps in 2013, set the record for the… Read More NASA astronaut Christina Koch returns to Earth following record space mission