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Library of UAP and UFO Research Papers

New Papers from our Lab

Knuth K.H., Ailleris P., Agrama H.A., Ansbro E., Budinger, P.A., Cai T., Canuti T., Cifone M.C., Cornet W.B. Jr., Courtade F., Dolan R., Domine L., Dini L., Friscourt B., Graves R., Haines R.F., Hoffman R., Kayal H., Little S., Nolan G., Powell R., Rodeghier M., Russo E., Skafish P., Strand E., Swords M., Szydagis M., Tedesco G.T., Tedesco J.J., Teodorani M., Vallée J., Vaillant M., Villarroel B., Watters W.A. 2025. The new science of unidentified aerospace-undersea phenomena (UAP). Progress in Aerospace Sciences, 156, 101097.
arXiv:2502.06794 [astro-ph.IM]
https://knuthlab.org/papers/knuth+etal---2025--new-science-UAP.pdf

Szydagis M., Knuth K.H., Kugielsky B.W., Levy C. 2025. Initial results from the first field expedition of UAPx to study unidentified anomalous phenomena, Progress in Aerospace Sciences, 156, 101099.
arXiv:2312.00558 [astro-ph.IM]
http://knuthlab.org/papers/szydagis+knuth+kugielsky+levy-UAPx---2025

Knuth K.H. 2024. Simulating the Characteristics of Extra-Terrestrial Civilizations that Encounter Earth, in Proceedings of the Kavli-IAU Symposium (IAUS 387), Durham, ENGLAND, April 2024.
https://knuthlab.org/papers/knuth---kavli-2024---galactic-colonization.pdf

Papers on UAP and UFOs

*‡* Peer-reviewed Journal Papers
‡ Peer-reviewed Conference Papers
* Arxiv Papers

‡ Ansbro E. 2001. New OSETI observatory to search for interstellar probes, in: S. A. Kingsley, R. Bhathal (Eds.), Proceedings of SPIE 4273: The search for extraterrestrial Iintelligence (SETI) in the optical spectrum III, 2001, pp. 246–253.
https://doi.org/10.1117/12.435370

‡ Ansbro E. 2003. Wide-field fast scanning spectrograph, in: Opto-Ireland 2002: Optics and Photonics Technologies and Applications, Vol. 4876, SPIE, 2003, pp. 1265–1271.
https://doi.org/10.1117/12.464052

‡ Ansbro E., Overhauser C., SETV: Opportunity for European initiative in the search for extraterrestrial intelligence. 2001. in: P. Ehrenfreund, O. Angerer, B. Battrick (Eds.), Exo-/astro-biology. Proceedings of the First European Workshop, 21–23 May 2001, ESRIN, Frascati, Italy., pp. 285–288, ESA SP-496, Noordwijk: ESA Publications Division, ISBN 92-9092-806-9.
download pdf

‡ Ansbro E., Ro E. 2024. Possible techno signatures around the Earth, Planetary Sciences, Advancing the Search for Exoplanetary and Solar System Techno signatures, American Geophysical Union. December 2024.

*‡* Cloete R., Bridgham P., Dobroshinsky S., Ezell C., Fedorenko A., Laukien F., Little S., Loeb A., Masson E., Szenher M., Watters W.A., White A. 2023. Integrated computing platform for detection and tracking of Unidentified Aerial Phenomena (UAP), Journal of Astronomical Instrumentation 12 (1) 2340008.
https://doi.org/10.1142/S2251171723400081

*‡* Domine L., Biswas A., Cloete R., Delacroix A., Fedorenko A., Jacaruso L., Kelderman E., Keto E., Little S,, Loeb A., Masson E., Prior M., Schultz F., Szenher M., Watters W.A., White A. 2024. Commissioning an all-sky infrared camera array for detection of airborne objects, Sensors, 25, 783.
arXiv:2411.07956 [astro-ph.IM]
https://doi.org/10.3390/s25030783

*‡* Keto E., Watters W.A. 2023. Detection of moving objects in Earth Observation Satellite images, Journal of Astronomical Instrumentation 12 (1) 2340007.
arXiv:2406.07566 [cs.CV]
https://doi.org/10.1142/S225117172340007X

*‡* Keto E., Watters W.A. 2023. Detection of moving objects in Earth Observation Satellite images: Verification, Journal of Astronomical Instrumentation 13 (2) 2450009.
arXiv:2406.13697 [astro-ph.EP]
https://doi.org/10.1142/S2251171724500090

*‡* Knuth K.H., Ailleris P., Agrama H.A., Ansbro E., Budinger, P.A., Cai T., Canuti T., Cifone M.C., Cornet W.B. Jr., Courtade F., Dolan R., Domine L., Dini L., Friscourt B., Graves R., Haines R.F., Hoffman R., Kayal H., Little S., Nolan G., Powell R., Rodeghier M., Russo E., Skafish P., Strand E., Swords M., Szydagis M., Tedesco G.T., Tedesco J.J., Teodorani M., Vallée J., Vaillant M., Villarroel B., Watters W.A. 2025. The new science of unidentified aerospace-undersea phenomena (UAP). Progress in Aerospace Sciences, 156, 101097.
arXiv:2502.06794 [astro-ph.IM]
https://knuthlab.org/papers/knuth+etal---2025--new-science-UAP.pdf

*‡* Loeb A.A., Laukien F.H.. 2023. Overview of the Galileo project, Journal of Astronomical Instrumentation 12 (1) 2340003.
https://doi.org/10.1142/S2251171723400032

*‡* Loeb A., Jacobsen S.B., Tagle R., Adamson T., Bergstrom S., Cloete R., Cohen S., Domine L., Fu H., Hoskinson C., Hyung E., Kelly M., Lard E., Laukien F., Lem J., McCallum ? R., Millsap R., Parendo C., Pataev M.I., Peddeti C., Pugh J., Samuha S., Sasselov D.D., Schlereth M., Siler J., Siraj A., Smith P.M., Taylor J., Weed R., Wright A., Wynn J. 2024. Chemical Classification of Spherules Recovered From The Pacific Ocean Site of The CNEOS 2014-01-08 (IM1 ?) Bolide, Chemical Geology 670 (2024) 122415.
arXiv:2401.09882,
https://doi.org/10.1016/j.chemgeo.2024.122415

*‡* Mead A,, Little S., Sail P., Tu M., Watters W.A., White A., Cloete R. 2023. Multi-band acoustic monitoring of aerial signatures, Journal of Astronomical Instrumentation 12 (1) (2023) 2340005.
arXiv:2305.18551 [astro-ph.IM]
https://doi.org/10.1142/S2251171723400056

*‡* Pettigrew J.D. 2003. The Min Min light and the Fata Morgana an optical account of a mysterious Australian phenomenon, Clinical and Experimental Optometry 86 (2) (2003) 109–120.
https://doi.org/10.1111/j.1444-0938.2003.tb03069.x

*‡* Powell R. 2025. Evolving Paradigms in the Search for Advanced Extraterrestrial Intelligence, World Futures, 1–16.
https://doi.org/10.1080/02604027.2025.2518485

*‡* Randall M., Delacroix A., Ezell C., Kelderman E., Little S., Loeb A., Masson E., Watters W.A., Cloete R., White A. 2023. '''Skywatch: A passive multistatic radar network for the measurement of object position and velocity''', Journal of Astronomical Instrumentation 12 (01) (2023) 2340004.
arXiv:2305.18562 [astro-ph.IM]
https://doi.org/10.1142/S2251171723400044

*‡* Siraj A., Loeb A., Moro-Martín A., Elowitz M., White A., Watters W.A., Melnick G.J., Cloete R., Grindlay J., Laukien F. 2023 Physical considerations for an intercept mission to a 1i/’oumuamua-like interstellar object, Journal of Astronomical Instrumentation 12 (01) 2340001.
https://doi.org/10.1142/S2251171723400019

*‡* Solano E., Marcy G.W., Villarroel B., Geier S., Streblyanska A., Lombardi G., Bär R.E., Andruk V.N. 2024. A bright triple transient that vanished within 50 minutes, Monthly Notices of the Royal Astronomical Society 527 (2024) 6312—-6320.
arXiv:2310.09035 [astro-ph.SR]
https://doi.org/10.1093/mnras/stad3422

*‡* Szenher M., Delacroix A., Keto E., Little S., Randall M., Watters W.A., Masson E., Cloete R. 2023. A hardware and software platform for aerial object localization, Journal of Astronomical Instrumentation 12 (1) (2023) 2340002.
arXiv:2305.18555 [astro-ph.IM]
https://doi.org/10.1142/S2251171723400020

*‡* Szydagis M., Knuth K.H., Kugielsky B.W., Levy C. 2025. Initial results from the first field expedition of UAPx to study unidentified anomalous phenomena, Progress in Aerospace Sciences, 156, 101099.
arXiv:2312.00558 [astro-ph.IM]
http://knuthlab.org/papers/szydagis+knuth+kugielsky+levy-UAPx---2025

*‡* Tedesco J.J., Tedesco G.T. 2024. Eye on the sky: A UAP research and field study off New York’s Long Island coast, Open Journal of Applied Sciences 14 (8), 2267–2295.
https://doi.org/10.4236/ojapps.2024.148152

*‡* Vargemezis G.N., Zlotnicki J., Hauge B.G., Kjøniksen A.L., Strand E.P. 2024. Contribution of VLF electromagnetic survey to the investigation of Hessdalen lights (Norway), Journal of Applied Geophysics 226, 105398.
https://doi.org/10.1016/j.jappgeo.2024.105398

*‡* Villarroel B., Imaz, I., Bergstedt, J. 2016 Our sky now and then: searches for lost stars and impossible effects as probes of advanced extraterrestrial civilizations, The Astronomical Journal 152 (3) 76.
https://iopscience.iop.org/article/10.3847/0004-6256/152/3/76

*‡* Villarroel B., Soodla J., Comerón S., Mattsson L., Pelckmans K., López-Corredoira M., Krisciunas K., Guerras E., Kochukhov O., Bergstedt J., Buelens B., Bär R.E., Cubo R., Enríquez J.E., Gupta A.C, Imaz I., Karlsson T., Prieto M.A., Shlyapnikov A.A., de Souza R.S., Vavilova I.B., Ward M.J. 2019. The vanishing and appearing sources during a century of observations project. I. USNO objects missing in modern sky surveys and follow-up observations of a “Missing Star”, The Astronomical Journal 159 (1) 8.
https://iopscience.iop.org/article/10.3847/1538-3881/ab570f

*‡* Villarroel B., Marcy G.W., Geier S., Streblyanska A., Solano E., Andruk V.N., Shultz M.E., Gupta A.C., Mattsson L. 2021.

 Exploring nine simultaneously occurring transients on April 12th 1950, Scientific Reports

11 (1) 12794.
https://doi.org/10.1038/s41598-021-92162-7

*‡* Villarroel B., Mattsson L., Guergouri H., Solano E., Geier S., Dom O.N., Ward M.J. '2022. A glint in the eye: Photographic plate archive searches for non-terrestrial artefacts', Acta Astronautica 194, 106–113.
https://www.sciencedirect.com/science/article/pii/S0094576522000480

* Villarroel B., Solano E., Guergouri H., Streblyanska A., Mattsson L., Bär R.E., Mimouni J., Geier S., Gupta A.C., Okororie V., Laggoune K., Shultz M.E., Freitas Jr. R.E., Ward M.J. 2022. Is there a background population of high-albedo objects in geosynchronous orbits around earth?, arXiv preprint arXiv:2204.06091.
arXiv:2204.06091 [astro-ph.EP]