SLS Latest News
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NASA will roll the largest section of the agency’s SLS (Space Launch System) rocket, which will launch the second crewed…
The Artemis II crew of NASA astronauts – Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen – has returned to the agency’s Johnson Space Center…
Listen to this audio excerpt from Dan Florez, test director for NASA’s Exploration Ground Systems Program: At 1:47 a.m. EST…
Digital creators and social media users are invited to register to attend the rollout of the third SLS (Space Launch…
The Artemis II mission wrapped up a historic seven-hour lunar flyby, marking humanity’s first return to the Moon since Apollo…
Spurred by American ingenuity, astronauts on NASA’s Artemis II mission are in flight, preparing for the first crewed lunar flyby…
Live launch day updates for NASA’s Artemis II test flight will be published on this page. All times are Eastern. 6:59…
As the Artemis II countdown moves steadily toward liftoff no earlier than 6:24 p.m. EDT, Wednesday, April 1, launch teams…
The countdown for NASA’s Artemis II test flight is underway at the agency’s Kennedy Space Center in Florida, with members of the launch team…
Ahead of call to stations at 4:34 p.m. EDT on Monday, and the countdown clock beginning at 4:44 p.m., engineers…
Teams at NASA’s Kennedy Space Center in Florida are making final preparations toward beginning launch countdown activities for the Artemis…
The four astronauts set to fly around the Moon on NASA’s Artemis II test flight arrived at the agency’s Kennedy…
Listen to this audio excerpt from Michael Guzman, Artemis II main propulsion systems engineer: A clue to what Mike Guzman,…
A variety of prelaunch, launch, and mission events for NASA’s Artemis II mission around the Moon will stream online. The…
Teams at NASA’s Kennedy Space Center in Florida continue preparing the SLS (Space Launch System) rocket and Orion spacecraft for…
At 11:21 a.m. EDT on Friday, March 20, NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft arrived at Launch Pad 39B after an 11-hour journey…
Airflow around rockets as they travel from Earth into space can have a dramatic impact on a mission, which is why NASA…
NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft slated to send four astronauts around the Moon began rolling to Launch Pad 39B at 12:20…
NASA’s Artemis II rocket and its four-person crew are all making progress toward a launch pad meet up in April.…
Due to quicker than expected completion of close-out activities, NASA now may roll out the Artemis II rocket from the Vehicle Assembly Building to Launch Pad…
Teams are now targeting no earlier than Friday, March 20, to roll NASA’s Artemis II rocket from the Vehicle Assembly…
Editor’s note: This advisory was updated on March 10, 2026, to reflect the latest participants in the news conference. NASA…
To achieve the national goal of landing American astronauts on the surface of the Moon and maintaining U.S. superiority in…
With NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft in the Vehicle Assembly Building at the agency’s…
As part of a Golden Age of exploration and discovery, NASA announced Friday, Feb. 27, the agency is increasing its cadence of…
As part of a Golden Age of exploration and discovery, NASA announced Friday the agency is increasing its cadence of missions under…
Once NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft arrived at the Vehicle Assembly Building (VAB) Feb.…
With rollback of NASA’s Artemis II SLS (Space Launch System) rocket and Orion spacecraft to the Vehicle Assembly Building complete,…
The SLS (Space Launch System) rocket and Orion spacecraft for NASA’s Artemis II mission arrived at the Vehicle Assembly Building from Launch Pad…
Editor’s Note: The launch director gave the “go” for rollback at 9:28 a.m. EST followed by first motion 10 minutes…
NASA is targeting approximately 9 a.m. EST, Wednesday, Feb. 25, to begin rolling the SLS (Space Launch System) rocket and…
Due to weather, NASA now is targeting early Wednesday, Feb. 25, to roll the SLS (Space Launch System) rocket and…
Weather pending, NASA will roll the SLS (Space Launch System) rocket and Orion spacecraft for Artemis II off the launch…
Editor’s note: NASA has updated an earlier version of this blog to provide additional details. NASA is taking steps to…
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…
Live updates for the Artemis II wet dress rehearsal will be published on this page. Live views of the launch…
NASA continues to press ahead through the Artemis II wet dress rehearsal countdown – a fueling test of the SLS…
The countdown for the Artemis II wet dress rehearsal is underway at NASA’s Kennedy Space Center in Florida. The countdown…
NASA is targeting Thursday, Feb. 19, as the tanking day for the second wet dress rehearsal ahead of the agency’s…
As part of robustly testing the vehicle prior to flight, NASA engineers are reviewing data after a confidence test Feb.…
Jesse Berdis’s dream of becoming a structural engineer began with visions of skyscrapers rising above the Dallas and Oklahoma skyline.…
Water flowing out. Data flowing in. A water system activation at the Thad Cochran Test Stand (B-2) on Jan. 30…
Since concluding a wet dress rehearsal Feb. 3 ahead of Artemis II, technicians have replaced two seals in an area…
NASA conducted a news conference on Tuesday, Feb. 3, to discuss initial findings from the recently completed Artemis II wet…
NASA concluded a wet dress rehearsal for the agency’s Artemis II test flight early Tuesday morning, successfully loading cryogenic propellant…
The Artemis II wet dress rehearsal countdown was terminated at the T-5:15 minute mark due to a liquid hydrogen leak…
NASA teams officially entered the final 10 minutes of today’s Artemis II wet dress rehearsal countdown known as terminal count…
NASA’s Artemis II closeout crew has completed its critical tasks and departed NASA Kennedy’s Launch Complex 39B during the Artemis II wet…
NASA teams completed closing the launch abort system hatch during the Artemis II wet dress rehearsal, simulating final launch day procedures. The…
The Artemis II wet dress rehearsal entered the T-10 minute hold in the simulated countdown at 8:50 p.m. EST. Though…