Planetary Radio: Space Exploration, Astronomy and Science · The Planetary Society

Artemis update: NASA reshapes the road back to the Moon

·58 min·3 clips

Jared Isaacman says Artemis III will become a low Earth orbit rendezvous and integrated systems test.

Sarah Al-Ahmad opens with NASA's latest Artemis update and treats it as part of the broader push to send humans farther into the solar system. The episode begins with a press conference held last week. Lori Glaze explains what teams learned after Artemis II's wet dress rehearsal. The issue she points to is a helium flow problem in the interim cryogenic propulsion stage. That helps explain why the rocket had to be rolled back into the Vehicle Assembly Building before its crewed lunar flyby mission. From there, the episode turns to NASA Administrator Jared Isaacman. He lays out a sweeping restructuring of the Artemis program. Under that plan, Artemis III is no longer described as a planned lunar landing. Instead, it becomes a Lunar Earth Orbit Rendezvous and Integrated Systems test. Sarah then brings in Jack Corelli and Ari Koppel to make sense of the change. Corelli is the Planetary Society's Director of Government Relations. Koppel is an AAAS Science and Technology Policy Fellow. Together they dig into what is driving the shift. They also ask whether the new structure really moves Artemis forward. Their discussion comes back to accountability and a clearer roadmap. It also puts pressure on the commercial providers and civil servants working on the surrounding hardware and systems. After the policy section, the show turns to What's Up. There, Sarah looks back at Apollo 9, the 1969 Earth orbit mission that showed the lunar module could operate independently and rendezvous. The episode ends with Artemis looking more legible, but also more demanding.

As heard by us

Artemis gets a sober reset, with engineering detail and policy stakes kept in view.

Planetary Radio treats NASA's latest Artemis update as a practical look at how the program is being reshaped. It moves from the Artemis II wet dress rehearsal issue to the bigger rethink around Artemis III, and the show is strongest when it stays with hardware, schedules, and…

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Why you'd press play

You want the Artemis changes explained without hype or jargon overload.

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