Avi Loeb Archives

Letters of Gratitude About 3I/ATLAS - Avi Loeb – Medium

Avi Loeb Receives Public Gratitude Following Observation of Interstellar Object 3I/ATLAS

Harvard’s Avi Loeb reports receiving public support after 3I/ATLAS observations. Learn the facts about the interstellar comet and the significance of the public reaction.

A Remarkable New Anomaly of 3I/ATLAS - Avi Loeb – Medium

New Orbital Anomaly of Interstellar Object 3I/ATLAS Fuels ‘Mothership’ Hypothesis

A new study reveals a second orbital anomaly in 3I/ATLAS (precession), challenging cometary explanations and fueling Avi Loeb’s ‘mothership’ hypothesis. Full analysis.

The Remarkable Large-Scale Structure of Anti-Tail and Tail Jets from 3I/ATLAS - Avi Loeb – Medium

Avi Loeb Details Remarkable Structure of Interstellar Object 3I/ATLAS Jets

Astrophysicist Avi Loeb reports on the complex tail and anti-tail structure of interstellar object 3I/ATLAS, observed in November 2025. Read the full analysis.

A Complex Jet Structure Emanates from 3I/ATLAS After Perihelion - Avi Loeb – Medium

Interstellar Object 3I/ATLAS Reveals Complex Jet Structure Post-Perihelion

Interstellar object 3I/ATLAS was observed with a complex jet structure post-perihelion on November 8, 2025. Learn the scientific implications of this unusual activity.

First Radio Signal from 3I/ATLAS: Absorption by Hydroxyl Radicals (OH Molecules) - Avi Loeb – Medium

Avi Loeb Analyzes Radio Signal from 3I/ATLAS: The Hydroxyl Radical Absorption Debate

Avi Loeb analyzes the radio signal detected near interstellar object 3I/ATLAS, confirming absorption by hydroxyl radicals (OH molecules). Read the scientific interpretation.

First Evidence for a Non-Gravitational Acceleration of 3I/ATLAS at Perihelion - Avi Loeb – Medium

3I/ATLAS Exhibits Non-Gravitational Acceleration Near Sun, Deepening Interstellar Mystery

New evidence from the PUNCH satellite confirms 3I/ATLAS exhibits non-gravitational acceleration near perihelion in October 2025. Learn why this comet-like behavior without a visible tail deepens the mystery of interstellar objects.

3I/ATLAS Rapidly Brightens and Gets Bluer than the Sun Near Perihelion - Avi Loeb – Medium

Interstellar Object 3I/ATLAS Rapidly Brightens and Turns ‘Bluer than the Sun’ Near Perihelion

New data shows interstellar object 3I/ATLAS rapidly brightened and became ‘bluer than the Sun’ near perihelion, confirming its cometary nature. Read the full analysis.

Is Comet 3I/ATLAS an alien ship? Harvard professor thinks it could be - Austin American-Statesman

Comet 3I/ATLAS: Harvard Professor Suggests Interstellar Object Could Be Artificial

Explore the facts about interstellar Comet 3I/ATLAS, observed by Hubble in 2025, and the controversial hypothesis by a Harvard professor suggesting an artificial origin.

A Q & A on 3I/ATLAS at Perihelion - Avi Loeb – Medium

Avi Loeb’s Analysis of Interstellar Comet 3I/ATLAS at Perihelion

Professor Avi Loeb breaks down the observations and significance of interstellar comet 3I/ATLAS during its perihelion passage, comparing it to ‘Oumuamua. Full expert analysis.

The Acid Test of 3I/ATLAS at Perihelion - Avi Loeb – Medium

Interstellar Object 3I/ATLAS Faces Solar ‘Acid Test’ at Perihelion in October 2025

Interstellar object 3I/ATLAS reaches perihelion on October 29, 2025, passing closer than Mercury. Read why this is the ‘acid test’ for its composition.

"Alien Mothership" Hypothesis About To Have Key Test As Interstellar Object 3I/ATLAS Hits Solar Conjunction And Perihelion - IFLScience

Interstellar Object 3I/ATLAS Undergoes Key Test of ‘Alien Mothership’ Hypothesis

Interstellar object 3I/ATLAS is undergoing a critical test near the Sun, challenging the ‘alien mothership’ hypothesis. See what astronomers are watching for.

The Imminent Solar Conjunction of 3I/ATLAS - Avi Loeb – Medium

Interstellar Visitor 3I/ATLAS Prepares for 2025 Solar Conjunction

Discover the 2025 solar conjunction of interstellar object 3I/ATLAS. Learn about its significance, observational challenges, and what scientists hope to uncover about this cosmic visitor. Read more!