NASA plans its second human moon landing on Artemis 4 after all: report

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The agency previously said construction on the massive Gateway space station took priority over a second human landing after Artemis 3.

artemis astronaut stepping on to the moon with the shadow of a lunar lander in behind
An Artemis astronaut steps on to the moon, as seen in an artist's impression. (Image credit: NASA)

NASA's second-ever moon landing in a half-century will take place on Artemis 4, agency officials confirmed in a report.

A schedule shuffle based on changes in a SpaceX Starship moon landing contract will see the Artemis program's fourth mission as the follow-up crewed landing as soon as 2027, according to an Oct. 28 presentation attended by SpaceNews. (The first moon landing since 1972 will be Artemis 3, scheduled to land in 2025, if all goes according to plan.)

All of these dates are tentative, though, as they depend upon systems like lunar landers and spacesuits being ready and upon the successful completion of other missions. Issues of note include the oft-delayed Artemis 1 now set to fly no earlier than Nov. 14 on an uncrewed venture around the moon, and the similarly grounded Starship that is awaiting regulatory approval for its first-ever orbital mission.

Related: NASA's Artemis 1 moon mission explained in photos

Artemis 4 will land on the moon while continuing to build out a supporting NASA-led lunar station called Gateway, Mark Kirasich, deputy associate administrator for Artemis campaign development at NASA, said in the presentation. (He spoke at the American Astronautical Society's Wernher von Braun Memorial Symposium in Huntsville, Alabama.)

Previously, NASA nixed the idea of a landing on Artemis 4, arguing that the complex delivery of a habitation module to Gateway was a higher priority than landing on the surface, SpaceNews said. The pivot to putting humans on the surface so soon, Kirasich added in his speech, is due to an option change involving Starship's contract.

Read more: SpaceX's new Starship video animation is Tron meets Blade Runner in space

Related stories:

— NASA's Artemis 1 moon mission: Live updates
— SpaceX Crew-4 astronauts say their space station work will help get NASA to the moon
— Is SLS worth the cost? NASA's new megarocket comes with a mega price tag

SpaceX is operating under a Human Landing System contract awarded in April 2021, and received an "Option B" amendment in March 2022 to "meet an extended set of requirements for sustaining missions at the moon," NASA officials said in a Sept. 16 press release, which did not specify further details.

NASA is also working on adding another company to the HLS contract to comply with a Congressional request, amid criticism that the contract was only awarded to one company instead of the forecasted two. (Kirasich told SpaceNews the new lander would be ready no earlier than Artemis 5; the current deadline for the solicitation closes Dec. 6, which is delayed from an initial Nov. 15 timeline.)

Like Artemis, all Gateway timelines are also uncertain due to development milestones, but the habitation module (called I-Hab) remains on track with European and Japanese officials. NASA's massive Space Launch System rocket, however, is facing an issue with launching the massive module.

A new upper stage, called Exploration Upper Stage, is required to heft the massive module. While that seems to be on track, the Mobile Launcher 2 platform required to support EUS is reportedly facing cost and schedule issues under its prime contractor Bechtel, according to SpaceNews.

Correction, Nov. 10: A sentence was corrected to say "while", not "instead of."

Elizabeth Howell is the co-author of "Why Am I Taller?" (ECW Press, 2022; with Canadian astronaut Dave Williams), a book about space medicine. Follow her on Twitter @howellspace. Follow us on Twitter @Spacedotcom or Facebook.

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Elizabeth Howell
Elizabeth Howell
Staff Writer, Spaceflight

Elizabeth Howell (she/her), Ph.D., is a staff writer in the spaceflight channel since 2022 specializing in Canadian space news. She was contributing writer for Space.com for 10 years before joining full-time. Elizabeth's reporting includes multiple exclusives with the White House, 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?" (ECW Press, 2022) is co-written with astronaut Dave Williams.