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Site URL: blogs.nasa.gov/artemis
Feed URL: blogs.nasa.gov/artemis/feed
Posts: 18
Followers: 2
NASA Repairs Upper Stage Helium Flow, Preps Continue Ahead of Rollout
Published: March 3, 2026 20:11
With NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft in the Vehicle Assembly Building at the agency’s Kennedy Space Center in Florida, technicians have accessed the launch vehicle stage adapter to inspect components that prevented…
NASA Adds Mission to Artemis Lunar Program, Updates Architecture
Published: February 27, 2026 17:14
As part of a Golden Age of exploration and discovery, NASA announced Friday, Feb. 27, the agency is increasing its cadence of missions under the Artemis program to achieve the national objective of returning American astronauts to the Moon and establishing…
Teams Begin Artemis II Repairs in Vehicle Assembly Building
Published: February 26, 2026 21:50
Once NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft arrived at the Vehicle Assembly Building (VAB) Feb. 25, technicians immediately began addressing why the flow of helium to the SLS upper stage was interrupted as engineers were…
NASA Artemis II Rocket Returns for Repairs
https://www.nasa.gov/blogs/missions/2026/02/25/nasa-artemis-ii-rocket-returns-for-repairs/
Published: February 26, 2026 01:50
The SLS (Space Launch System) rocket and Orion spacecraft for NASA’s Artemis II mission arrived at the Vehicle Assembly Building from Launch Pad 39B at approximately 8 p.m. EST Feb. 25, at NASA’s Kennedy Space Center in Florida. While in the assembly…
NASA Artemis II Rocket Rolls Back to Vehicle Assembly Building
Published: February 25, 2026 14:32
Editor’s Note: The launch director gave the “go” for rollback at 9:28 a.m. EST followed by first motion 10 minutes later. NASA’s SLS (Space Launch System) rocket and Orion spacecraft for the Artemis II mission began rolling off the launch pad at 9:38 a.m.…
First Motion Set for Artemis II Rollback
https://www.nasa.gov/blogs/missions/2026/02/24/first-motion-set-for-artemis-ii-rollback/
Published: February 24, 2026 17:16
NASA is targeting approximately 9 a.m. EST, Wednesday, Feb. 25, to begin rolling the SLS (Space Launch System) rocket and Orion spacecraft for Artemis II off the launch pad and back to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space…
NASA Targets Artemis II Rollback on Wednesday
https://www.nasa.gov/blogs/missions/2026/02/23/nasa-targets-artemis-ii-rollback-on-wednesday/
Published: February 24, 2026 00:54
Due to weather, NASA now is targeting early Wednesday, Feb. 25, to roll the SLS (Space Launch System) rocket and Orion spacecraft for Artemis II off the launch pad and back to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in…
NASA to Rollback Artemis II Rocket, Spacecraft
https://www.nasa.gov/blogs/missions/2026/02/22/nasa-to-rollback-artemis-ii-rocket-spacecraft/
Published: February 22, 2026 18:02
Weather pending, NASA will roll the SLS (Space Launch System) rocket and Orion spacecraft for Artemis II off the launch pad at the agency’s Kennedy Space Center in Florida as soon as Tuesday, Feb. 24. Engineers are continuing to prepare for the move after…
NASA Troubleshooting Artemis II Rocket Upper Stage Issue, Preparing to Roll Back
Published: February 21, 2026 15:32
Editor’s note: NASA has updated an earlier version of this blog to provide additional details. NASA is taking steps to potentially roll back the Artemis II rocket and Orion spacecraft to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space…
Artemis II Crew Enters Quarantine Ahead of March Launch Opportunity
Published: February 20, 2026 23:04
NASA is targeting no earlier than Friday, March 6, for the launch of Artemis II, pending completion of required work at the launch pad, analysis of test data, and the outcome of a Flight Readiness Review in the coming days. The four astronauts set to fly…
NASA Begins Artemis II Launch Pad Ops After Successful Fuel Test
Published: February 20, 2026 04:23
NASA successfully fueled its SLS (Space Launch System) rocket and demonstrated the launch countdown for Artemis II on Thursday during a wet dress rehearsal at the agency’s Kennedy Space Center in Florida.  Engineers loaded more than 700,000 gallons of…
LIVE: Artemis II Wet Dress Rehearsal Coverage
https://www.nasa.gov/blogs/missions/2026/02/19/live-artemis-ii-wet-dress-rehearsal-coverage/
Published: February 19, 2026 12:00
Live updates for the Artemis II wet dress rehearsal will be published on this page. Live views of the launch pad and test are available online. All times are Eastern. 11:11 a.m. Teams in the firing room at NASA’s Kennedy Space Center are experiencing an…
Artemis II Wet Dress Rehearsal Update: Countdown Progressing
Published: February 18, 2026 16:57
NASA continues to press ahead through the Artemis II wet dress rehearsal countdown – a fueling test of the SLS (Space Launch System) rocket. Early this morning, at approximately 3 a.m. EST, teams powered up the rocket’s core stage, which will be loaded…
Artemis II Wet Dress Rehearsal: Countdown Begins
https://www.nasa.gov/blogs/missions/2026/02/17/artemis-ii-wet-dress-rehearsal-countdown-begins/
Published: February 18, 2026 00:18
The countdown for the Artemis II wet dress rehearsal is underway at NASA’s Kennedy Space Center in Florida. The countdown clock began at 6:50 p.m. EST Tuesday, or L-49 hours, 40 minutes before the opening of a simulated launch window at 8:30 p.m.,…
NASA Eyes Next Wet Dress Rehearsal for Artemis II
https://www.nasa.gov/blogs/missions/2026/02/16/nasa-eyes-next-wet-dress-rehearsal-for-artemis-ii/
Published: February 16, 2026 20:26
NASA is targeting Thursday, Feb. 19, as the tanking day for the second wet dress rehearsal ahead of the agency’s Artemis II test flight. Over the weekend, teams replaced a filter in ground support equipment that was suspected of reducing the flow of liquid…
Following Confidence Test, NASA Continues Artemis II Data Review
Published: February 14, 2026 00:51
As part of robustly testing the vehicle prior to flight, NASA engineers are reviewing data after a confidence test Feb. 12, in which operators partially filled the SLS (Space Launch System) core stage liquid hydrogen tank to assess newly replaced seals in…
NASA Conducts Repairs, Analysis Ahead of Next Artemis II Fueling Test
Published: February 9, 2026 01:06
Since concluding a wet dress rehearsal Feb. 3 ahead of Artemis II, technicians have replaced two seals in an area where operators saw higher than allowable hydrogen gas concentrations during the test. Engineers are analyzing the removed seals and…
Artemis II Wet Dress Rehearsal: NASA Discusses Initial Results
Published: February 3, 2026 21:36
NASA conducted a news conference on Tuesday, Feb. 3, to discuss initial findings from the recently completed Artemis II wet dress rehearsal test. Participants included: