NASA February 6, 2020 10:30 am NASA's Astronaut Koch Back on Earth After Record-Setting Mission NASA Astronaut Christina Koch returned to Earth Thursday, landing in Kazkhstan after wrapping up her record-setting 328-day mission in space. Local 1:35 Rita Ora reveals Taika Waititi's last-minute change to her Met Gala dress: ‘Thank God' 3:45 Gabrielle Union and Dwyane Wade's daughter had cutest reaction to mom's Met Gala dress 1:12 Ariana Grande channels Glinda at 2024 Met Gala 1:36 WATCH: Some of the most talked about looks at the Met Gala 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute