"Exploring the Final Frontier: The Extraordinary Lives of Astronauts"

NASA astronauts, known as "star sailors," have been selected to join the NASA corps of astronauts since the first class was chosen in 1959. Currently, there is a continuous human presence at the International Space Station, with seven astronauts from various countries residing there. NASA is in the process of reviewing over 12,000 applications received in 2020 for the astronaut selection process, with the expectation of announcing the new selections in mid-2021.