Official position · S-026

The team concluded that there is no evidence that UAP have an extraterrestrial origin: of more than 800 unclassified sightings only a few were not immediately identified, and the analysis is limited by uncalibrated sensors and missing metadata.

NASA – UAP Independent Study Team · David Spergel (chair); Bill Nelson (NASA Administrator) · Sep 14, 2023

Nature of the non-humans

What it denies and what it leaves open

It concerns the unclassified data examined; it does not evaluate classified materials or programs. Administrator Nelson admitted that he does not know what these phenomena are.

Original words: no evidence to suggest that UAPs are extraterrestrial in origin
Who disputes it: Disclosure advocates note that the study relies on unclassified data, while according to Grusch the evidence lies in secret programs.

Sources

Nextgov, September 2023 (press)
Space.com on AARO's historical report (press)

On this site

Documents 1

The report of NASA's UAP Independent Study Team Original available

Open in the interactive archive The whole section: Denials and official positions

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