China says astronauts completed nine-hour spacewalk, breaking US record

China says two of its astronauts completed a nine-hour spacewalk Tuesday, a figure that beats the US-held record for the world’s longest spacewalk set in 2001, in the latest milestone in the country’s ambitious space program.

​ China says two of its astronauts completed a nine-hour spacewalk Tuesday, a figure that beats the US-held record for the world’s longest spacewalk set in 2001, in the latest milestone in the country’s ambitious space program. Read More Breaking News, Latest News and Videos | CNN