Nasa’s two stuck astronauts take their first spacewalk together

US astronaut Suni Williams works outside the International Space Station (Nasa/AP)

Nasa’s two stuck astronauts have taken their first spacewalk together, exiting the International Space Station almost eight months after moving in.

Commander Suni Williams and Butch Wilmore floated out to remove a broken antenna and wipe the station’s exterior for evidence of any microbes that might still be alive after launching from Earth and escaping through vents.