NASA to Provide Media with International Space Station Update Today

NASA will host a live news conference at 5 p.m. EST on Thursday from the agency’s headquarters in Washington to discuss the International Space Station and its crew.

On Jan. 7, the agency announced it was postponing a planned spacewalk originally scheduled for Jan. 8 while teams monitored a medical concern with a crew member currently living and working aboard the orbital laboratory.

The matter involved a single crew member, who is stable. Due to medical privacy, it is not appropriate for NASA to share more details about the crew member.

Participants in the news conference include:

• NASA Administrator Jared Isaacman
• Amit Kshatriya, associate administrator
• Dr. James Polk, chief health and medical officer, NASA Headquarters

NASA will provide live coverage of the news conference on NASA+, Amazon Prime, and the agency’s YouTube channel. Learn how to stream NASA content through a variety of online platforms, including social media.

To participate in the news conference virtually or in-person, media must RSVP for details no later than one hour before the start of the event to the NASA Newsroom at: hq-media@mail.nasa.gov. NASA’s media credentialing policy is online.

To learn more about the International Space Station, visit:

https://www.nasa.gov

-end-

Bethany Stevens / Cheryl Warner
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / cheryl.m.warner@nasa.gov

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Jessica Taveau

Best of 2025: Artemis II Countdown Demonstration Test

Artemis II crewmembers (left to right) NASA astronauts Christina Koch, mission specialist; and Victor Glover, pilot; CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist; and NASA astronaut Reid Wiseman, commander are led by Bill Owens of the Closeout Crew from the elevator at the 275-foot level of the mobile launcher to the crew access arm as they prepare to board their Orion spacecraft atop NASA’s Space Launch System rocket during the Artemis II countdown demonstration test, Saturday, Dec. 20, 2025, inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. For this operation, the Artemis II crew and launch teams are simulating the launch day timeline including suit-up, walkout, and spacecraft ingress and egress.

Through the Artemis campaign, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars, for the benefit of all.

This image was chosen by NASA’s Headquarters photo team as one of the best of 2025.

Image credit: NASA/Joel Kowsky

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Monika Luabeya

NASA Starts Up Gateway’s Power System for First Time

Development continues on NASA’s Power and Propulsion Element, a solar electric propulsion spacecraft designed to provide power for Gateway in lunar orbit.

Able to generate 60 kilowatts of power, the element was successfully powered on earlier last year. The milestone demonstrates the element can provide the spacecraft with power, high-rate communications, attitude control, as well as the ability to maintain and maneuver between orbits.

The Power and Propulsion Element is managed by NASA’s Glenn Research Center in Cleveland and built by industry partner Lanteris Space Systems in Palo Alto, California, where teams have secured the element’s main electrical system inside protective exterior panels. On deck for installation at Lanteris Space Systems are three 12-kilowatt advanced electric propulsion system thrusters, manufactured by L3Harris, and four 6-kilowatt Busek-built BHT-6000 thrusters. The roll-out solar arrays for Gateway are complete and moving through testing at Redwire’s facility in Goleta, California.

For more information about NASA’s lunar exploration missions, visit:

https://www.nasa.gov/artemis

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