Harvard astrophysicist Avi Loeb has published a provocative essay posing a question that sounds ripped from science fiction: ...

Harvard astrophysicist Avi Loeb warns 3I/ATLAS, tagged a comet by NASA, may be a rare 'Black Swan' or Trojan Horse, urging ...

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

(NewsNation) — Harvard astrophysicist Avi Loeb appears to be walking back his attention-grabbing theory that an interstellar object known as 3I/ATLAS could be some sort of alien technology sent to spy ...

In the velvet darkness of our solar system, a mysterious traveller is currently making its grand exit, leaving a trail of ...

New SPHEREx and Hubble observations document post-perihelion changes in gas and dust emissions from interstellar object ...

A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

Is 3I/ATLAS an interstellar spy? Scientists investigate 13 anomalies of the solar system's new visitor, from its 'anti-tail' ...

Astronomers have discovered 3I/ATLAS, a fast-moving interstellar object detected in mid-2025. Researchers believe this ancient comet, potentially 8-14 billion years old, originated from the Milky ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

From conspiracy theories to being older than the Sun, the trajectory of comet 3I/ATLAS challenges previous ideas about ...

Add Yahoo as a preferred source to see more of our stories on Google. Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar ...