UAP research library: peer-reviewed and primary-source papers, indexed and linked.

Hardware, sensor systems, and signal-processing pipelines built to detect, track, and characterise UAP — including the Galileo Project observatory stack and adjacent radar, infrared, acoustic, and EM-signature work.

15 papers · sorted newest first

1. Galileo Project Observatory Class System Architecture

   arXiv (astro-ph.IM preprint) · 2025

   Bridgham et al.

   The reference architecture for Galileo's distributed observatory class: sensors, software, calibration, and data management for replicable UAP-grade aerial observation.

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2. Commissioning an All-Sky Infrared Camera Array for Detection of Airborne Objects

   Sensors · 2024

   Domine et al.

   Commissioning paper for Galileo's all-sky infrared imaging array. Documents detection efficiency for known traffic and establishes the baseline against which anomalous objects are scored.

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3. A Civilian Astronomer's Guide to UAP Research

   arXiv (astro-ph preprint) · 2024

   Lawrence et al.

   Practical methodology guide for amateur and citizen astronomers contributing UAP observations — instrumentation, logging discipline, and chain-of-custody for evidence.

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4. Overview of the Galileo Project

   Journal of Astronomical Instrumentation · 2023

   Loeb et al.

   Founding overview of Harvard's Galileo Project: a privately-funded multimodal observatory programme to record, classify, and disambiguate aerial objects of unknown provenance.

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5. The Scientific Investigation of UAP Using Multimodal Ground-Based Observatories

   Journal of Astronomical Instrumentation · 2023

   Watters et al.

   The Galileo observatory's multi-sensor approach (optical, infrared, radio, acoustic, magnetometer) and how cross-modal coincidence drives anomaly classification.

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6. Multi-Band Acoustic Monitoring of Aerial Signatures

   Journal of Astronomical Instrumentation · 2023

   Mead et al.

   The Galileo Project's acoustic-monitoring stack: microphone arrays, band coverage, and the signal-processing pipeline used to associate sound signatures with optical/IR detections.

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7. SkyWatch: A Passive Multistatic Radar Network for Object Position and Velocity

   Journal of Astronomical Instrumentation · 2023

   Randall et al.

   Design of a passive multistatic radar receiver network for low-cost UAP-grade tracking. Uses ambient illuminators rather than active transmitters.

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8. A Hardware and Software Platform for Aerial Object Localization

   Journal of Astronomical Instrumentation · 2023

   Szenher et al.

   Reference implementation of the Galileo localisation stack: hardware-software co-design for real-time aerial-object position estimates from multimodal sensors.

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9. Integrated Computing Platform for Detection and Tracking of UAP

   Journal of Astronomical Instrumentation · 2023

   Cloete et al.

   The Galileo Project's integrated compute and storage architecture for ingesting, processing, and archiving multimodal sensor streams in near-real-time.

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10. Detection of Moving Objects in Earth Observation Satellite Images

    Journal of Astronomical Instrumentation · 2023

    Keto et al.

    Methodology for extracting transient and moving objects from Earth-observation satellite imagery — relevant to retrospective UAP detection in archival passes.

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11. System Study of Constraints for UAP Electromagnetic Signature Optimal Detection Systems

    AIAA Aviation 2023 · 2023

    Reali

    Top-level systems-engineering study of constraints on building EM-signature-optimised UAP detectors — antenna design, noise floor, and survey strategy.

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12. Research on Unidentified Aerial Phenomena at the Julius-Maximilians-University of Würzburg

    AIAA AVIATION Forum 2023 · 2023

    Kayal et al.

    Status of the Würzburg UAP research group, one of the few European university programmes investigating UAP. Includes their sensor-platform plans.

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13. Detection, Characterization, and Evaluation of Unidentified Anomalous Phenomena

    AIAA AVIATION Forum 2023 · 2023

    AIAA UAP Integration & Outreach Committee

    Reference UAP white paper from the AIAA's UAP Integration and Outreach Committee. Defines a shared detection-and-characterisation framework for aerospace researchers.

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14. Initial Results from the First Field Expedition of UAPx

    arXiv (physics preprint) · 2023

    Szydagis et al.

    First field-expedition results from the academic-led UAPx instrumentation programme. Documents the sensor stack, deployment, and preliminary findings.

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15. Recommendations to Improve Acquisition and Management of Aviation-Related UAP Data

    AIAA AVIATION Forum 2023 · 2023

    Snow et al.

    Operational recommendations for civil-aviation UAP data: reporting taxonomy, sensor capture standards, ATC integration, and analyst pipelines.

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What the observed kinematics, accelerations, and electromagnetic effects of UAP would have to mean if the reports are taken at face value — and what physical constraints the data already imposes.

12 papers · sorted newest first

1. The New Science of Unidentified Aerospace-Undersea Phenomena (UAP)

   Progress in Aerospace Sciences · 2025

   Knuth et al.

   Comprehensive review in a top aerospace journal positioning UAP/UASP as a legitimate research domain — sensor data, observed dynamics, and open questions.

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2. Unidentified Aerospace-Undersea Phenomena (UAP) Status and Outlook

   Progress in Aerospace Sciences · 2025

   Platzer

   Companion review piece in PAS surveying the state of the UAP record from an aerospace-sciences perspective: what's signal, what's noise, what's left to do.

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3. The UAP Assessment Matrix: A Framework for Evaluating Evidence and Understanding

   Acta Astronautica · 2025

   Lomas et al.

   Proposes a formal matrix for scoring UAP evidence quality across observational, instrumental, and corroboration axes. Companion to the case-analysis literature.

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4. The Reported Shape, Size, Kinematics, Electromagnetic Effects, and Presence of Sound of UAP From Select Reports, 1947–2016

   AIAA Aviation 2024 · 2024

   Powell et al.

   Statistical synthesis of physical attributes — shape, size, kinematic profile, EM effects, presence of sound — across the 1947–2016 reporting window.

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5. A New Method to Derive an Empirical Lower Limit on the Mass Density of a UFO

   arXiv (astro-ph preprint) · 2024

   Loeb

   Derives a lower bound on UAP mass density from observed kinematics — a method for ruling out atmospheric/optical artefacts using basic physics.

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6. Occupational Safety and Reporting Guidance: Reviewing UAP Safety Events

   AIAA Aviation Forum and ASCEND 2024 · 2024

   Burstein et al.

   Aviation-safety review of UAP-associated incidents from the FAA NMACs and pilot reporting record. Frames UAP as an air-safety dataset, not only a curiosity.

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7. The Reported Shape, Size, Kinematics, Electromagnetic Effects, and Presence of Sound of UAP from Select Reports, 1947–2016

   Scientific Coalition for UAP Studies (SCU) · 2023

   Powell et al.

   SCU white paper preceding the AIAA version. Same dataset, more methodological detail on case selection and coding.

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8. Physical Constraints on Unidentified Aerial Phenomena

   Harvard CfA preprint · 2023

   Loeb & Kirkpatrick

   Jointly authored by Galileo Project founder Avi Loeb and then-AARO director Sean Kirkpatrick. Lays out the physical envelope inside which UAP behaviour can lie before requiring new physics.

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9. Aerodynamic Interactions and Turbulence Mitigation by Unidentified Aerospace-Undersea Phenomena

   AIAA Aviation 2023 · 2023

   Oliver

   Examines reported absence of typical aerodynamic interactions (wake turbulence, sonic effects) in UAP observations and what they would imply if real.

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10. Expedition to W-72

    AIAA Aviation 2023 · 2023

    Platte

    Mission report from a UAP field-instrumentation expedition to military Warning Area W-72, including platform configuration and data take.

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11. Down to Earth Limits on Unidentified Aerial Phenomena in Ukraine

    arXiv (astro-ph preprint) · 2022

    Loeb

    Applies physical-limit analysis to the Ukrainian Main Astronomical Observatory's reported UAP observations. Tests what they could and could not have been.

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12. Estimating Flight Characteristics of Anomalous Unidentified Aerial Vehicles

    Entropy · 2019

    Knuth et al.

    Quantitative estimation of accelerations, velocities, and propulsion power implied by selected UAP case kinematics. The early peer-reviewed treatment.

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Quantitative review of historical case files: UAP shape and behavior across thousands of reports, geographic and temporal clustering, the recurring nuclear-site signal, and FAA pilot reports.

6 papers · sorted newest first

1. UAP Indications Analysis 1945–1975: United States Atomic Warfare Complex

   Limina · 2025

   Grosvenor et al.

   Peer-reviewed extension of the Hancock atomic-complex pattern work, published in Limina. Refines the indications model and the per-facility intensity scoring.

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2. Transients in the Palomar Observatory Sky Survey May Be Associated with Nuclear Testing and UAP Reports

   Scientific Reports · 2025

   Brühl, Villarroel et al.

   Statistically tests whether photographic transients in the 1950s Palomar Sky Survey cluster with atmospheric nuclear tests and contemporaneous UAP reports. Published in Nature's open-access journal.

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3. UAP Activity Pattern Study 1945–1975: Military and Public Activities

   Scientific Coalition for UAP Studies (SCU) · 2024

   Hancock et al.

   SCU's continuation of the long-running Hancock pattern-recognition work: distribution of military and public UAP activity over the 1945–1975 window.

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4. An Environmental Analysis of Public UAP Sightings and Sky View Potential

   Scientific Reports · 2023

   Medina et al.

   Geospatial analysis of UAP-report distribution across the United States, testing for population, dark-sky, and military-airspace covariates.

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5. FAA Unmanned Aircraft Systems Sighting Reports: A Preliminary Survey

   AIAA Aviation 2023 · 2023

   Howard Jr.

   Preliminary statistical survey of the FAA's pilot UAS-sighting reports — the de facto dataset where civil aviation UAP cases land before they're triaged elsewhere.

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6. UAP Pattern Recognition Study 1945–1975: US Military Atomic Warfare Complex

   Scientific Coalition for UAP Studies (SCU) · 2022

   Hancock et al.

   Statistical analysis showing UAP-event clustering around US atomic-warfare facilities (Oak Ridge, Hanford, Los Alamos, Pantex) over a three-decade window.

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The Sol Foundation policy series and adjacent work on UAP secrecy, congressional oversight, anomalous health threats, atmospheric and orbital threat reduction, and international policy options.

8 papers · sorted newest first

1. The UFO Enigma: A Call for US Government Disclosure

   Sol Foundation · 2025

   Nell

   Sol Foundation white paper arguing the policy case for structured US disclosure. Synthesises the legal, intelligence, and historical record.

   Primary source Google Scholar

2. Investment in UAP Technology and Ventures: Opportunities, Challenges, and a Way Forward

   Sol Foundation · 2025

   Virk

   Looks at the emerging UAP-instrumentation venture-capital landscape, the dual-use questions, and the policy guardrails private capital would need.

   Primary source Google Scholar

3. The Prospect of Executive Branch UAP Secrecy: The Harm to Congress and Potential Remedies

   Sol Foundation · 2024

   Skafish

   Constitutional-law analysis of executive-branch UAP information-withholding and the statutory remedies available to Congress. Reads the Schumer–Rounds amendment as a partial cure.

   Primary source Google Scholar

4. UAP: Policy Implications for the Government of the United Kingdom

   Sol Foundation · 2024

   McCaw

   Sol Foundation UK-focused policy paper. Maps the post-MoD-closure UK UAP landscape and the policy moves Whitehall could plausibly take.

   Primary source Google Scholar

5. Anomalous Health Threats: Health Security Considerations for UAP

   Sol Foundation · 2024

   Sol Foundation

   Position paper integrating UAP-proximity health-effect reports with the broader anomalous-health-incident literature. Argues for a structured health-security frame.

   Primary source Google Scholar

6. UAP in Crowded Skies: Atmospheric and Orbital Threat Reduction in an Age of Geopolitical Uncertainty

   Sol Foundation · 2024

   Sol Foundation

   Treats UAP as an air-safety and space-domain-awareness problem first. Lays out an integrated atmospheric/orbital threat-reduction framework.

   Primary source Google Scholar

7. Unidentified Anomalous Phenomena Independent Study Team — Final Report

   NASA · 2023

   Spergel et al.

   The 36-page final report of the NASA-convened independent study panel chaired by David Spergel. Concluded that the available UAP data is fragmentary and recommended a structured NASA role in standardised data collection.

   Primary source Google Scholar

8. Beneath the Surface: We May Learn More About UAP by Looking in the Ocean

   Sol Foundation · 2023

   Gallaudet

   Rear Adm. Tim Gallaudet's case for treating UAP as a transmedium problem — and for resourcing undersea collection alongside atmospheric.

   Primary source Google Scholar

How UAP research should be done. Assessment matrices, field-study methodology, scientific-practice standards, ufology's terminological hygiene, and the question of how much time disclosure has.

7 papers · sorted newest first

1. Normal, Abnormal, Paranormal: Philosophical Determination of a Ufological Lexicon

   Limina · 2025

   Gress

   Philosophy-of-science treatment of the field's own terminology. Argues that the slippage between 'UFO', 'UAP', and 'NHI' obscures otherwise tractable claims.

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2. How Much Time Do We Have Before Catastrophic Disclosure Occurs?

   Limina · 2025

   Szydagis

   Models the policy-and-public-trust window remaining before a hypothetical 'catastrophic' (i.e., unstructured) disclosure event. Pure thought experiment, peer-reviewed.

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3. Exploring UAP Through Instrumented Field Studies: Historical Insights, Current Challenges, and Future Directions

   Limina · 2024

   Ailleris

   Methodological survey of instrumented UAP fieldwork from Hessdalen onward. Identifies the recurring failure modes and what a modern field campaign would have to do differently.

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4. Development, Dissemination, and Revision of Good Scientific Practice for Research on UAP

   Limina · 2024

   Ammon

   Argues that UAP research needs an explicit, codified standard of good scientific practice — analogous to the codes governing biomedical or forensics research.

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5. Foundations, Frontiers and Future Prospects of UAP Studies (Editorial)

   Limina · 2024

   Cifone

   Editorial framing Limina's UAP issue. A useful map of the field's open problems, contested claims, and the criteria the journal applies to submissions.

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6. Investigating UAP Events Using Astronomical Techniques

   Limina · 2024

   Teodorani

   Teodorani's methodological argument that UAP observation should be assimilated to astronomical practice — calibrated instruments, archival comparison, replication.

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7. The UFO Taboo Is What IR Theorists Make of It: Sovereignty and the UFO in Citational Perspective

   Alternatives: Global, Local, Political · 2024

   Murphy

   Citational-analysis follow-up to Wendt & Duvall's 'Sovereignty and the UFO'. Maps how international-relations theory has actually used (and avoided using) the UFO question.

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The IR-theory work on sovereignty and the UFO, faculty attitudes, academic freedom, the post-war taboo's media history, and the religious-studies treatment of UFO/contact narratives.

8 papers · sorted newest first

1. Academic Freedom and the Unknown: Perceptions, Awareness, and Policy Regarding UAP Research

   Humanities and Social Sciences Communications · 2024

   Yingling et al.

   Survey of US faculty on the academic-freedom question around UAP research — what's chilled, what isn't, and what the structural causes are.

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2. Faculty Perceptions of Unidentified Aerial Phenomena

   Humanities and Social Sciences Communications · 2023

   Yingling et al.

   The companion survey of US faculty attitudes toward UAP itself (interest, plausibility, willingness to publish). Forms the empirical base for the 2024 academic-freedom paper.

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3. Flying Saucers and UFOs in US Advertising During the Cold War, 1947–1989

   Advertising and Society Quarterly · 2022

   McAllister & Eghigian

   Media-history paper using Cold War US advertising imagery as a proxy for cultural assimilation of UFO motifs. Useful for the broader stigma question.

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4. American Cosmic and Intimate Alien: A Dual Review Essay on UFOs, Religion, and Technology

   Journal of the American Academy of Religion · 2021

   Zeller

   Review essay treating Pasulka and Halperin as the two principal religious-studies treatments of UFO/contact narratives. The standard citation for the field's religious-studies wing.

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5. Strategic Ignorance and the Search for Extraterrestrial Intelligence: Critiquing the Discursive Segregation of UFOs from Scientific Inquiry

   Astropolitics · 2018

   Dodd

   Argues that the deliberate separation of UFO/UAP discourse from formal SETI work is a case of 'strategic ignorance' — actively maintained, not passively inherited.

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6. Making UFOs Make Sense: Ufology, Science, and the History of Their Mutual Mistrust

   Public Understanding of Science · 2017

   Eghigian

   History of the institutional split between ufology and science from the late 1940s onward — and the persistence of mutual suspicion through to the 2017 NYT moment.

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7. A Transatlantic Buzz: Flying Saucers, Extraterrestrials and America in Postwar Germany

   Journal of Transatlantic Studies · 2014

   Eghigian

   Cultural history of how the American flying-saucer wave reached postwar Germany — and what it became when it arrived. Useful counterweight to US-only histories.

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8. Sovereignty and the UFO

   Political Theory · 2008

   Wendt & Duvall

   The foundational political-theory paper on why states cannot acknowledge UFOs without destabilising their own legitimacy. Cited everywhere downstream.

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The Galileo Project's interstellar-meteor and 'Oumuamua line of work, plus materials-analysis methodology for unusual aerospace recoveries. Adjacent to UAP through the question of non-terrestrial provenance.

15 papers · sorted newest first

1. An Investigation of the Relationship Between Morphology and Chemistry of the D-Type Spherules from the IM1 Recovery Expedition

   Chemical Geology · 2025

   Hyung et al.

   Peer-reviewed petrographic and geochemical analysis of the IM1 expedition's D-type spherules in Chemical Geology. The most rigorous published examination to date.

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2. Discovering Numerous Interstellar Objects With a Dedicated Space Telescope

   arXiv (astro-ph.IM preprint) · 2025

   Loeb

   Mission-concept paper for a dedicated interstellar-object survey telescope. Predicts the per-year ISO-detection rate as a function of survey depth and cadence.

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3. A Cost-Effective Search for Extraterrestrial Probes in the Solar System

   arXiv (astro-ph preprint) · 2025

   Villarroel et al.

   Survey strategy for detecting near-Earth artificial objects of non-human origin using existing optical and synthetic-aperture assets.

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4. Recovery and Classification of Spherules from the Pacific Ocean Site of the CNEOS 2014-01-08 (IM1) Bolide

   arXiv (astro-ph preprint) · 2024

   Loeb et al.

   Methods-and-classification follow-up: how the spherules were recovered, screened, and categorised. The paper that critics target most heavily.

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5. Peak-Brightness Localization of the CNEOS 2014-01-08 Fireball

   arXiv (astro-ph.EP preprint) · 2024

   Loeb

   Re-derivation of IM1's seafloor-impact ellipse from the CNEOS sensor data, narrowing the recovery search box for subsequent expeditions.

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6. Discovery of Spherules of Likely Extrasolar Composition in the Pacific Ocean Site of the CNEOS 2014-01-08 Bolide

   arXiv (astro-ph.EP preprint) · 2023

   Loeb et al.

   First-pass announcement of the Galileo Project's recovery of millimetre spherules near IM1's predicted seafloor site, with composition claimed to be outside the solar-system norm.

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7. Localizing the First Interstellar Meteor With Seismometer Data

   Signals · 2023

   Siraj et al.

   Independent localisation of IM1 from regional seismometer time-of-arrival data. A first-of-its-kind cross-check for the airburst-fireball case.

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8. Physical Considerations for an Intercept Mission to a 1I/ʻOumuamua-like Interstellar Object

   Journal of Astronomical Instrumentation · 2023

   Siraj et al.

   Engineering feasibility paper for a future intercept mission to the next ʻOumuamua-analogue interstellar visitor — delta-v, sensing payload, timing.

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9. An Ocean Expedition by the Galileo Project to Retrieve Fragments of the First Large Interstellar Meteor CNEOS 2014-01-08

   arXiv (astro-ph.EP preprint) · 2022

   Siraj et al.

   Pre-mission paper outlining the Galileo Project's plan, sled design, and recovery strategy for the IM1 expedition off Papua New Guinea.

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10. Interstellar Meteors Are Outliers in Material Strength

    The Astrophysical Journal Letters · 2022

    Siraj et al.

    Statistical case that the two known candidate interstellar meteors fall outside the bulk material-strength distribution of solar-system meteorics.

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11. The New Astronomical Frontier of Interstellar Objects

    Astrobiology · 2022

    Siraj et al.

    Review of the science case for treating interstellar-object recovery as its own astronomical sub-discipline. Frames the IM1 work in a broader observational context.

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12. On the Possibility of an Artificial Origin for 'Oumuamua

    Astrobiology · 2022

    Loeb

    Loeb's peer-reviewed statement of the artificial-origin hypothesis for ʻOumuamua. The proximate cause of the Galileo Project's existence.

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13. Improved Instrumental Techniques, Including Isotopic Analysis, Applicable to the Characterization of Unusual Materials with Potential Relevance to Aerospace Forensics

    Progress in Aerospace Sciences · 2022

    Nolan, Vallée et al.

    Methodological framework for analysing recovered materials of unknown provenance — isotopics, microstructure, chain-of-custody. The standard cite for the materials-forensics question.

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14. The Mass Budget Necessary to Explain 'Oumuamua as a Nitrogen Iceberg

    New Astronomy · 2021

    Siraj & Loeb

    Quantitative critique of the nitrogen-iceberg natural-origin hypothesis: the implied parent-body mass budget exceeds available galactic inventories.

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15. Launching the VASCO Citizen Science Project

    arXiv (astro-ph preprint) · 2020

    Villarroel et al.

    Launch paper for the VASCO project, which compares mid-20th-century photographic plates against modern surveys for missing-star and transient anomalies.

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The observational frame the UAP-instrumentation programs operate inside. Reviews, frameworks, and survey results from Breakthrough Listen, the Galileo Project, and the broader technosignature community.

17 papers · sorted newest first

1. Detectability of Solar Panels as a Technosignature

   The Astrophysical Journal · 2024

   Kopparapu et al.

   Whether large-scale silicon photovoltaics on a distant planet would be remotely detectable via reflectance spectroscopy. A clean technosignature-feasibility paper.

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2. Project Hephaistos II: Dyson Sphere Candidates from Gaia DR3, 2MASS, and WISE

   Monthly Notices of the Royal Astronomical Society · 2024

   Suazo et al.

   The Hephaistos II survey identifies seven M-dwarf systems with infrared excess consistent with partial Dyson-sphere energy capture. Most-cited modern Dyson-search result.

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3. Technosignatures: Frameworks for Their Assessment

   The Astrophysical Journal · 2023

   Lingam et al.

   Formal frameworks for technosignature-evidence assessment, drawing analogies to the biosignature-assessment literature. Useful for evaluating ambiguous UAP/anomalous-object claims.

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4. A Search for Technosignatures Around 11,680 Stars with the Green Bank Telescope at 1.15–1.73 GHz

   The Astronomical Journal · 2023

   Margot et al.

   GBT survey of 11,680 nearby stars in a UAP-adjacent observational band. No detections, but the sensitivity ceiling sets a useful constraint.

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5. The Breakthrough Listen Search for Intelligent Life: Technosignature Search of 97 Nearby Galaxies

   The Astronomical Journal · 2023

   Choza et al.

   Extragalactic Breakthrough Listen survey — the deepest-yet whole-galaxy technosignature search. Sets the per-galaxy radio-power ceiling.

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6. On Detecting Interstellar Scintillation in Narrowband Radio SETI

   The Astrophysical Journal · 2023

   Brzycki et al.

   Methods paper showing how interstellar-scintillation signatures could be used to distinguish genuine narrowband signals from RFI in SETI surveys.

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7. The Case for Technosignatures: Why They May Be Abundant, Long-Lived, Highly Detectable, and Unambiguous

   The Astrophysical Journal Letters · 2022

   Wright et al.

   The reference theoretical case for why technosignature searches deserve a permanent place in the observational programme. Sets the framing inside which UAP-instrumentation work sits.

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8. Nitrogen Dioxide Pollution as a Signature of Extraterrestrial Technology

   The Astrophysical Journal · 2021

   Kopparapu et al.

   Atmospheric-pollution technosignature: NO₂ spectral lines as a tracer of high-temperature combustion. The most-cited industrial-pollution technosignature paper.

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9. One of Everything: The Breakthrough Listen Exotica Catalog

   The Astrophysical Journal Supplement Series · 2021

   Lacki et al.

   Compiles the most chemically and physically anomalous objects in the sky into a single survey target list. The 'unknown unknowns' list for technosignature follow-up.

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10. Analysis of the Breakthrough Listen Signal of Interest blc1 with a Technosignature Verification Framework

    Nature Astronomy · 2021

    Sheikh et al.

    Forensic analysis of the blc1 signal (Proxima Centauri direction, 2020): why it was promoted to a signal-of-interest and why it ultimately resolved to terrestrial RFI.

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11. A Radio Technosignature Search Towards Proxima Centauri Resulting in a Signal-of-Interest

    Nature Astronomy · 2021

    Smith et al.

    The original discovery paper for blc1. Companion to Sheikh et al. 2021 in the same Nature Astronomy issue.

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12. The Nine Axes of Merit for Technosignature Searches

    International Journal of Astrobiology · 2020

    Sheikh

    Standardised nine-axis scoring system for comparing technosignature-search proposals. Widely adopted as the field's evaluation matrix.

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13. Searches for Technosignatures in Astronomy and Astrophysics

    Bulletin of the American Astronomical Society · 2019

    Wright

    Astro2020 decadal-survey white paper arguing for a formal technosignature-search line in the federal astronomy programme.

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14. Looking for Lurkers: Co-Orbiters as SETI Observables

    The Astronomical Journal · 2019

    Benford

    Argues that Earth co-orbital and Lagrange-point regions are under-surveyed for possible artificial probes — adjacent to the Villarroel solar-system search programme.

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15. Dissolving the Fermi Paradox

    arXiv preprint (FHI) · 2018

    Sandberg, Drexler & Ord

    Bayesian treatment showing that uncertainty propagation in the Drake equation makes a galaxy empty of detectable civilisations entirely consistent with current knowledge.

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16. NASA and the Search for Technosignatures: A Report from the NASA Technosignatures Workshop

    arXiv (NASA technical report) · 2018

    Wright et al.

    Output of the 2018 NASA-convened technosignatures workshop. The piece that re-legitimised NASA-side technosignature research after a multi-decade pause.

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17. New Assumptions to Guide SETI Research

    NASA Technical Reports Server · 2018

    Colombano

    Internal NASA-Ames technical note proposing that SETI loosen anthropic assumptions about biological vs post-biological intelligences. Widely circulated despite its informal venue.

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