Female Nasa astronaut back on Earth after record-breaking space mission

US astronaut Christina Koch returned to Earth on February 6, 2020, after shattering the space flight record for female astronauts with a stay of almost 11 months aboard the International Space Station. The 41-year-old engineer touched down with two other astronauts in Kazakhstan after spending 328 days on her mission which involved more than 210 investigations to collect data for future missions to the moon and Mars.