Here’s how it works. Two Chinese astronauts have completed the second spacewalk of their six-month-long mission in Earth orbit. Cai Xuzhe and Song Lingdong, part of China's three-person Shenzhou ...

The spacewalk was the 19th to be carried out by Chinese astronauts. It was also the fourth time Cai participated in a spacewalk. He made two during his first orbital journey in the Shenzhou XIV ...

NASA’s two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni Williams and Butch Wilmore ...

Williams and Wilmore both arrived at the ISS last June, aboard the first crewed test flight of Boeing's Starliner spacecraft. The astronauts were only slated for a 10-day mission, but issues with ...

Astronauts Suni Williams and Butch Wilmore, who have been on an unexpectedly monthslong assignment after serving on Boeing’s Starliner crewed test flight, conducted a spacewalk Thursday.

Astronauts on board China's "heavenly palace" space station have demonstrated a new way of making rocket fuel products and breathable oxygen by mimicking a chemical reaction in plants.

NASA's two stuck astronauts took their first spacewalk together Thursday, exiting the International Space Station almost eight months after moving in. Commander Suni Williams and Butch Wilmore ...

One of NASA’s two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more than seven months ago.

An X-ray observatory used to study neutron stars is “back in the black” and a cosmic ray detector is ready for possible future upgrades after two astronauts completed a spacewalk outside the ...