CTV National News
Spacewalk or space delivery? That's the question facing NASA as space station flight controllers try to revive a crippled cooling loop.
An impromptu spacewalk over the weekend seems to have fixed a big ammonia leak at the International Space Station, NASA said Thursday.
It’s mission accomplished for astronauts who plugged up a leak on the International Space Station during a hastily-arranged spacewalk on Saturday.
Crew aboard the International Space Station will conduct a six-hour spacewalk on Saturday after discovering a radiator leak in the power system.