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. 

Floating in space will be flight engineers Michael Hopkins (on his third spacewalk, wearing red stripes on his spacesuit as he is lead spacewalker) and Victor Glover (on his first). 

Related: The International Space Station: inside and out (infographic) 

During today's spacewalk the astronauts will focus on finishing essential cable and antenna setup for a new research platform, Bartolomeo, outside the European Space Agency's Columbus module. Bartolomeo will host up to 12 research experiments simultaneously in fields such as astrophysics, robotics and material physics.

Other spacewalking tasks will include configuring a high-speed Ka-band terminal that will allow the science module to communicate independently with European ground stations, and removing a grapple fixture bracket to prepare for future power system upgrades, NASA added.

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Bartolomeo in the parking position below the Destiny module on the International Space Station (ISS). The European external platform Bartolomeo is an enhancement of the International Space Station (ISS) European Columbus Module and its infrastructure. (Image credit: NASA)

At least three more spacewalks are on tap for the Expedition 64 crew, including one with the same astronauts on Monday (Feb. 1), when Glover and Hopkins will install the final lithium-ion battery adapter plate to wrap up four years of crucial battery upgrades on the space station, which replaced older and less powerful nickel-hydrogen batteries.

Other tasks on Monday's spacewalk include removing another grapple fixture bracket, installing two cameras, and replacing components for the Japanese robotic arm's camera system outside the Japanese Aerospace Exploration Agency (JAXA) Kibo module.

NASA astronauts Mike Hopkins (foreground) and Victor Glover configure tools inside the International Space Station's Quest airlock on Jan. 8, 2021, to prepare for two planned spacewalks. (Image credit: NASA)

A third spacewalk (date to be announced) will see Glover and NASA astronaut Kate Rubins prepare the space station power system for a power boost using new solar arrays. The fourth extravehicular activity — also not yet scheduled — will have Rubins and JAXA astronaut Soichi Noguchi do more station upgrades, which NASA will outline during a future media briefing.

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Elizabeth Howell
Staff Writer, Spaceflight

Elizabeth Howell (she/her), Ph.D., is a staff writer in the spaceflight channel since 2022 covering diversity, education and gaming as well. She was contributing writer for for 10 years before joining full-time. Elizabeth's reporting includes multiple exclusives with the White House and Office of the Vice-President of the United States, an exclusive conversation with aspiring space tourist (and NSYNC bassist) Lance Bass, speaking several times with the International Space Station, witnessing five human spaceflight launches on two continents, flying parabolic, working inside a spacesuit, and participating in a simulated Mars mission. Her latest book, "Why Am I Taller?", is co-written with astronaut Dave Williams. Elizabeth holds a Ph.D. and M.Sc. in Space Studies from the University of North Dakota, a Bachelor of Journalism from Canada's Carleton University and a Bachelor of History from Canada's Athabasca University. Elizabeth is also a post-secondary instructor in communications and science at several institutions since 2015; her experience includes developing and teaching an astronomy course at Canada's Algonquin College (with Indigenous content as well) to more than 1,000 students since 2020. Elizabeth first got interested in space after watching the movie Apollo 13 in 1996, and still wants to be an astronaut someday. Mastodon: