NASA UAP Independent Study Team Report
On September 14, 2023, NASA publicly released the findings of its 16-member independent science panel, commissioned 15 months earlier and chaired by astrophysicist David Spergel, to recommend how the agency could bring rigorous scientific method to UAP research. The panel found no evidence that any UAP has an extraterrestrial origin, but concluded the field's core problem is a near-total lack of reliable, high-quality sensor data — not a lack of genuine anomalies worth studying. The report recommended NASA appoint a director of UAP research, a position NASA administrator Bill Nelson initially declined to name publicly at the same press conference, disclosing that panel members had received online harassment that, by the agency's own account, had in some cases escalated into direct threats during the course of the study.
Pictured: The Mary W. Jackson NASA Headquarters building, Washington, D.C., where the report's findings were publicly announced on September 14, 2023. NASA, public domain.
Theoretical Alignment
As with this archive's other government and institutional entries, the standard ETH/IDH/PSH framing does not apply directly: this case documents a scientific advisory report, not a UAP encounter. The report's own conclusion aligns with the Psycho-Social/Mundane explanation for the great majority of the UAP phenomenon it reviewed, while explicitly declining to rule out that a small residual of cases could represent something genuinely new — a position the panel grounded not in speculation but in the observation that existing data quality is simply too poor to draw firm conclusions either way.
Background
NASA announced the formation of its Unidentified Anomalous Phenomena Independent Study Team on June 9, 2022, under the direction of Thomas Zurbuchen, then associate administrator of the agency's Science Mission Directorate. The team's 16 members, publicly named that October, included astrophysicist and Simons Foundation president David Spergel as chair, former NASA astronaut Scott Kelly, planetary scientist David Grinspoon, and specialists in data science, aviation safety (including FAA officials), and national security policy. The team was given nine months to lay groundwork for how NASA, leveraging its scientific and data-analysis expertise rather than any intelligence or defense mandate, could contribute to the broader U.S. government effort to understand UAP.
The study relied exclusively on unclassified data, a deliberate methodological choice Spergel described as essential to preserving open scientific communication and rigor, even though it meant the team could not review classified military incident data directly. Their primary reference dataset was the Department of Defense's own catalogue of more than 800 unclassified UAP reports compiled by AARO, of which the team found only a small handful could not be immediately identified as known human-made or natural phenomena — not because those cases showed anomalous performance, but because the underlying data for them was too limited or poor in quality to support a confident identification either way.
Complete Timeline
| Date | Event |
|---|---|
| June 9, 2022 | NASA announces it is commissioning an independent study team on UAP, to be led by the Science Mission Directorate. |
| Oct. 2022 | NASA publicly names the 16 study team members, chaired by David Spergel. |
| May 31, 2023 | The team holds its first public meeting; panel members disclose they have faced online harassment since the study was announced, drawing criticism from both UFO believers and skeptics of the study's value. |
| Sept. 14, 2023 | NASA publicly releases the team's final report and holds a press briefing with Administrator Bill Nelson, Associate Administrator Nicola Fox, and chair David Spergel; NASA also announces the creation of a Director of UAP Research position but initially withholds the appointee's name. |
| Sept. 14, 2023 (same day, hours later) | NASA names Mark McInerney, the agency's longtime Department of Defense liaison, as the first Director of UAP Research. |
| Present | NASA's UAP research program, based directly on the team's recommendations, continues under McInerney's direction, including expanded use of NASA's Earth-observing assets and exploration of AI/machine-learning tools and citizen-science data collection. |
The Central Finding: A Data Problem, Not a Phenomenon Problem
The report's most consequential conclusion was not that UAP do not exist or are uninteresting, but that the entire field has historically suffered from a chronic shortage of high-quality, reproducible, multi-sensor data. As the team put it, "the absence of reproducible data makes it challenging to draw firm conclusions about some UAP origins." Rather than treating that data gap as reason to dismiss the topic, the panel explicitly recommended NASA leverage its existing and planned Earth-observing satellite assets to gather independent environmental and sensor data on any future UAP detected by other means, and separately recommended applying artificial intelligence and machine-learning tools, alongside crowdsourced smartphone data from trained citizen observers, to build a systematic, science-grade UAP dataset going forward — the opposite of a dismissive posture, grounded instead in the argument that good science requires good instruments, not merely goodwill.
The Stigma Problem
A second major theme of the report was the corrosive effect of social and professional stigma on data quality itself. Spergel stated plainly that "stigma has limited reporting by pilots, both civilian and military," meaning that even genuinely anomalous events likely go underreported by exactly the trained observers — commercial and military aviators — whose reports would carry the most evidentiary weight. The report called for normalizing UAP reporting as a routine, non-stigmatized part of aviation safety culture, a recommendation directly consistent with the Navy's own 2019 decision to revise its UAP reporting guidance for the same underlying reason.
Harassment of Panel Members
The study's public reception included a genuinely troubling development the report's authors did not anticipate: sustained online harassment of the panel's own scientists. At the team's first public meeting on May 31, 2023, NASA Associate Administrator Nicola Fox called it "really disheartening to hear of the harassment that our panelists have faced online," coming from both UFO believers who suspected the study was designed to whitewash evidence and skeptics who considered the entire study a waste of NASA resources. By the September 14 final report release, NASA Science Mission Directorate official Dan Evans stated the situation had escalated: "Not only were some of the things that our panel members received during the course of this study simple trolling, some of them actually rose to actual threats." NASA's decision to withhold the new Director of UAP Research's name at the initial press conference, only naming Mark McInerney hours later the same day, was explicitly attributed to concern that the position's occupant would become a fresh target.
Key Figures
David Spergel
Led the 16-member panel and its unclassified-data-only methodology, and became the report's principal public spokesperson, emphasizing both the field's data-quality problems and the toll of harassment on his team.
Bill Nelson
Presented the report's findings at the September 14, 2023 press conference, stating NASA found no evidence of extraterrestrial origin while stressing the agency's commitment to studying UAP "transparently for the benefit of humanity."
Nicola Fox
Publicly acknowledged the panel's harassment at the May 2023 public meeting and helped oversee the study's transition into NASA's ongoing UAP research program.
The Five Observables Assessment
The Five Observables framework describes claimed craft performance characteristics and does not apply to this case, which documents a scientific advisory report rather than a sighting:
Assessment: This case documents a report about how to study UAP scientifically, not an observed craft, and the Five Observables framework is included here only for structural consistency with the rest of the archive.
Evidence Assessment
Fully Documented Institutional Fact
- The report's existence, panel membership, and full text are confirmed by official NASA publication and a recorded, widely covered public press conference, the strongest evidentiary category this archive applies.
- The panel's stated methodology (unclassified data only) and its central data-quality conclusion are independently corroborated by contemporaneous reporting from NPR, CBS News, and other outlets that reviewed the full report text.
Limits on What This Report Establishes
- Because the panel used only unclassified data, it could not directly evaluate the specific classified incidents most central to the concurrent AARO and congressional disclosure debates, limiting how directly its conclusions bear on claims like David Grusch's.
- The report's "no evidence of extraterrestrial origin" finding is, by its own admission, a statement about data insufficiency for a small residual of cases rather than a claim to have positively explained every incident reviewed.
Why "Credible"
This case is rated Credible because it represents an unusually well-executed, methodologically transparent piece of independent science advisory work, distinct in character from this archive's more contested government-report entries. Unlike the AARO Historical Record Report, which drew specific, credentialed criticism over factual errors and sourcing, the NASA study team's report has not attracted comparable substantive pushback on its accuracy; the controversy it generated was almost entirely external (harassment of panelists) rather than internal to the report's own findings or methodology. Its central recommendation — that the field needs better instruments and less stigma, not more speculation — is a scientifically serious, falsifiable, and actionable position that NASA has since begun implementing through the Director of UAP Research role.
This file does not rate the case Verified rather than Credible because the report's conclusions, while well-supported, remain forward-looking recommendations rather than a closed, complete accounting; NASA's own UAP research program was just beginning at the time of the report's release, and its ultimate success in generating the higher-quality data the panel called for cannot yet be fully assessed from this vantage point.
Observer Credibility & Occupational Profile
The panel's credibility rests on genuinely strong scientific and institutional credentials: astrophysicist David Spergel (Princeton emeritus, Simons Foundation president), a former NASA astronaut, multiple university physics and data science faculty, and senior FAA and aerospace industry officials, assembled and vetted by NASA's own Science Mission Directorate under a public, transparent nomination process. This file finds the panel's decision to restrict itself to unclassified data, even at the cost of being unable to directly assess classified incidents, a credibility-strengthening choice rather than a weakness, since it kept the panel's own analysis fully open to independent verification by outside scientists and journalists.
Historical Precedents & Archive Matches
This case connects directly to this archive's AARO Historical Record Report, Volume I entry, which the NASA team's own dataset partly draws from, and to the UAP Task Force Formation entry, representing the civilian-scientific counterpart to the Pentagon's parallel institutional UAP effort.
Material Analysis
The primary evidence for this case is the report itself, published on NASA's website and presented at a recorded, publicly available press conference on September 14, 2023, alongside the underlying claim that the panel reviewed AARO's catalogue of more than 800 unclassified UAP incidents as its principal empirical reference point.
Supporting the Report's Credibility
- The panel's unclassified-only methodology, while limiting its scope, maximized independent verifiability, and its central recommendations (better sensors, less stigma) have not been substantively disputed by credentialed critics in the way AARO's Volume I was.
Limitations
- The panel could not directly examine classified incident data, meaning its findings, however credible, cannot fully settle disputes centered on classified claims.
The Conventional Explanation Candidate: An Authentic, Well-Supported Scientific Advisory Report
As with this archive's other verified institutional cases, no competing "conventional explanation" needs to be weighed here: the report is what it presents itself as, a genuine NASA-commissioned independent scientific study. The relevant assessment is whether its conclusions are well-supported by its own transparent methodology, and on that question this file finds strong, if not yet fully proven, grounds for confidence.
An Authentic, Well-Supported Scientific Advisory Report — Plausibility Rating: HIGH CONFIDENCE
Related Cases
Confirmed Documents & Official Records
NASA's own official UAP research page, hosting the full report and updates on the Director of UAP Research's ongoing work.
PUBLIC RECORD (freely accessible)Search Government Archives Directly
Further Reading — Recommended Literature
UFO: The Inside Story of the US Government's Search for Alien Life Here—and Out There
An extensively researched history covering NASA's study team alongside the parallel Pentagon disclosure timeline.
Extraterrestrial: The First Sign of Intelligent Life Beyond Earth
A Harvard astrophysicist's case for treating anomalous aerial and interstellar phenomena as legitimate objects of rigorous scientific inquiry, closely paralleling the NASA panel's own stated philosophy.
In Plain Sight: An Investigation into UFOs and Impossible Science
An investigative journalist's account of the modern disclosure era, including coverage of NASA's study team and its reception.
UFOs: Generals, Pilots, and Government Officials Go on the Record
An earlier, influential compilation of on-record military and government UFO testimony that helped build the case for exactly this kind of formal scientific study.
They Are Already Here: UFO Culture and Why We See Saucers
A science journalist's anthropological look at the UFO research community, useful context for understanding the stigma the NASA report specifically identified as a barrier to good data.
Sources
- "NASA's UAP Study Team Releases Its Final Report," Sci.News. Read online →
- "UPDATE: NASA Shares UAP Independent Study Report; Names Director," NASA. Read online →
- "New NASA report lays out roadmap for studying UFOs," NPR. Read online →
- "NASA report finds no evidence that UFOs are extraterrestrial," Nevada Current. Read online →
- "NASA Study Team on Unidentified Anomalous Phenomena Calls for Better Data, Ending Harassment and Stigmas," The Debrief. Read online →
- "NASA group studying UFOs stresses need for better data in first public meeting," CBS News. Read online →
- "NASA Appoints UFO Chief Mark McInerney to Investigate Mystery Craft, or UAPS," Bloomberg. Read online →
- "NASA appoints director of UAP research to investigate mysterious flying objects," UPI. Read online →
- NASA Unidentified Anomalous Phenomena Independent Study Team, Wikipedia. Read online →
- Graff, Garrett M. UFO: The Inside Story of the US Government's Search for Alien Life Here—and Out There. Avid Reader Press, 2023.
- Loeb, Avi. Extraterrestrial: The First Sign of Intelligent Life Beyond Earth. Houghton Mifflin Harcourt, 2021.
- Coulthart, Ross. In Plain Sight: An Investigation into UFOs and Impossible Science. HarperCollins, 2021.
- Kean, Leslie. UFOs: Generals, Pilots, and Government Officials Go on the Record. Harmony Books, 2010.
- Scoles, Sarah. They Are Already Here: UFO Culture and Why We See Saucers. Pegasus Books, 2020.
- "File: NASA HQ Building.jpg," NASA, public domain. View file →
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