Oem Trivedi, Abraham Loeb. arxiv.org. January 29, 2026.
Trivedi and Loeb propose a network for discovering and characterizing interstellar objects. Their hypothetical examples and performance estimates are conditional; the paper demonstrates no deployed network, artificial object or government programme access.
■ Supplied preprint text and native layouts; proposal remains unvalidated
Diptajyoti Mukherjee, Amir Siraj, Hy Trac, Abraham Loeb. arxiv.org. August 7, 2023.
Mukherjee, Siraj, Trac and Loeb simulate capture and retention of interstellar objects near Earth, then estimate populations and survey detectability under assumed incoming velocities, abundance, sizes and lifetimes. The manuscript identifies no actual captured interstellar object.
■ Complete supplied fourteen-page manuscript; conditional capture model
Vo Hong Minh Phan, Thiem Hoang, Abraham Loeb. arxiv.org. October 28, 2021.
Phan, Hoang and Loeb model erosion and modification of icy interstellar objects under assumed cosmic-ray, material and travel conditions. Prior observations and fits support theoretical predictions rather than new detections or demonstrated composition.
■ Complete supplied seven-page manuscript; conditional erosion model
Amir Siraj, Abraham Loeb. arxiv.org. July 22, 2021.
Siraj and Loeb infer a potentially large interstellar population from prior observations and population assumptions. The paper introduces no new data; selection, size distributions and model sensitivity limit its abundance estimates.
■ Complete supplied four-page manuscript; conditional abundance model
Amir Siraj, Abraham Loeb. arxiv.org. October 5, 2020.
Siraj and Loeb forecast interstellar-object velocity and direction distributions from conventional stellar ejection. Their estimates distinguish 12-object velocity and 180-object angular tests of two ejection models from a separate 12-object anisotropy test. Density, size, sampling and detection assumptions remain uncertain. White-dwarf, outer-cloud and interstellar-medium alternatives are retained. Discovery forecasts and an artifact conjecture are not observations. Manuscript comments and work-level grant support do not establish government access.
■ Received written text and native layouts; originals and interpretation gaps
Amir Siraj, Abraham Loeb. arxiv.org. January 8, 2020.
Siraj and Loeb propose stellar occultations as a way to find conventional interstellar objects. An idealized all-sky forecast of about one annual event depends on population, size, noise and observing assumptions. Bound Kuiper-belt and Oort-cloud populations are ordinary alternatives, with overlapping timescales. Metadata, citation, figure, axis and model discrepancies remain unresolved. This supplied preprint reports forecasts rather than detections; work-level grant support does not establish government access.
■ Received written text and native layouts; originals and interpretation gaps
Amir Siraj, Abraham Loeb. arxiv.org. February 4, 2019.
Siraj and Loeb model captured interstellar minor-body orbits using inherited density, population and size assumptions. Eight catalogue objects are possible candidates, not confirmed interstellar origins or extraterrestrial artifacts. Native Oort-cloud bodies are an explicit confound. Model convergence and forecasts do not supply independent observations. Native table, selection and population-normalization qualifications remain unresolved; detection bias and original calculation gaps are preserved. Manuscript assistance and work-level funding do not establish government tasking or custody.
■ All six supplied preprint pages and native layouts; candidate and model qualifications
Loeb models a population mass budget for 3I/ATLAS and offers ordinary cometary-core or rarer-population alternatives. Technological design is conditional speculation; albedo, size, selection and reservoir assumptions remain explicit, with no artificial-origin detection or independent model validation.
■ Complete supplied three-page v2 manuscript; model and date gaps retained
Amir Siraj, Abraham Loeb, Amaya Moro-Martin, Mark Elowitz, Abigail White, Wesley A. Watters, Gary J. Melnick, Richard Cloete, Jonathan Grindlay, Frank Laukien. arxiv.org. November 3, 2022.
Siraj, Loeb and colleagues outline requirements for a proposed interstellar-object intercept. Detection and reachability forecasts depend on assumptions; material analogues and modelled spectra do not identify an artificial object.
Avi Loeb, Rob Reid. foreveron.com. November 28, 2018.
Loeb recounts Yuri Milner asking him to lead Starshot and his own message to Milner about the interstellar object. These are claimed private research contacts with no original correspondence supplied. The interview preserves natural alternatives and admits uncertain artificial origin. It is a public edited transcript; the longer paid edit and original audio remain unreviewed.
■ Complete supplied30-page public transcript read; longer edit and original records missing
Avi Loeb, Joe Rogan. podscripts.co. October 28, 2025.
Loeb discusses interstellar objects, Galileo observations, his reported Pentagon and congressional briefings, and what an unnamed contractor employee told him. He also says he has never seen the alleged biologics data and does not know whether it exists.
Thiem Hoang, Abraham Loeb. arxiv.org. March 24, 2023.
Hoang and Loeb argue that evaporative cooling changes a trapped-hydrogen explanation for ’Oumuamua’s acceleration. The critique depends on selected thermal assumptions and does not establish an artificial origin.
■ Preprint text and figures read
A curated public selection. Source review describes what was read; it does not establish that a claim is true. Our research approach