NASA Releases Nearly 1 Terabyte of Artemis II Moon Data

NASA has released roughly 800 gigabytes of raw data from the Artemis II mission, the agency's first crewed flight around the far side of the moon in more than five decades, according to WIRED. The archive includes 11,000 full-resolution images and videos, 8.5 hours of spoken astronaut observations, handwritten mission notes, transcripts, and footage from cameras mounted on the Orion capsule, NASA said.

NASA describes the release as the first planetary science dataset gathered outside Earth largely by humans since the Apollo program, WIRED reported.

What's in the dataset, by the numbers?

The Artemis II archive breaks down into a handful of measurable categories, per NASA figures cited by WIRED:

• Roughly 800 gigabytes of total files, approaching one terabyte.
• 11,000 full-resolution images and videos captured during the flight.
• 8.5 hours of recorded spoken observations from the crew.
• Five confirmed meteoroid impacts detected on the lunar surface during a 54-minute eclipse the Orion crew observed.

NASA paired the raw files with three written reports: the Artemis II Preliminary Lunar Science Report, the Artemis II Lunar Science Operations Report, and the Artemis II Lunar Science Data User Guide, according to WIRED.

Where can the public access the files?

NASA centralized the release through its Planetary Data System, the agency's standing repository for planetary mission data, WIRED reported. Inside the system's lunar section, users can browse Artemis II collections, documents, and individual files for download. NASA also built a separate Artemis II science page offering the three summary reports, a curated set of photographs, and the mission's audio library for readers who want a less technical entry point, per WIRED.

What have scientists found so far?

The clearest result to date is the detection of five small meteoroid impacts on the lunar surface, recorded during a 54-minute eclipse the Orion crew observed, WIRED reported. Those flashes give researchers a fresh data point for estimating how often centimeter-scale fragments strike the moon.

Analysts have also used the imagery to compare color, brightness, and texture differences across lunar regions against composition maps built from earlier orbital surveys, according to WIRED. Photographs taken near the terminator — the line dividing lunar day from night — showed terrain and visibility shifting in detail as sunlight angle changed, WIRED said.

Why does meteoroid-impact data matter for future missions?

The meteoroid count feeds directly into risk calculations for future lunar hardware, WIRED reported. Planners rely on impact-frequency estimates to gauge how much a base, a vehicle, or an astronaut on the surface would be exposed to small, fast-moving debris. NASA's own framing, relayed by WIRED, positions this as planetary science data obtained largely by humans rather than robotic probes — a distinction the agency says last applied during Apollo.

How does Artemis II compare to the Apollo era?

NASA's closest precedent for human-collected planetary science data is the Apollo program, which ended lunar landings in the early 1970s, according to WIRED. Artemis II did not land on the surface; it looped around the moon's far side. The scale of data now downloadable — near a terabyte, spanning imagery, audio, and annotated notes — exceeds what any single Apollo flight transmitted home, based on the volume NASA cited to WIRED, though the outlet did not provide a direct byte-for-byte Apollo comparison.