Astronauts are taking a spacewalk today to upgrade a space station science module. Watch it live!

Two NASA astronauts will upgrade a crucial International Space Station science module in orbit during a spacewalk today (Jan. 27), and you can watch the whole thing live.

The spacewalk is expected to start at 7 a.m. EST (1130 GMT) if the final suit-up procedures go to plan, and to last about six and a half hours, according to NASA. Coverage will start at 5:30 a.m. EST (1000 GMT), and you can watch it live here at, courtesy of NASA TV. 

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