The effort to monitor the comet, estimated to be the size of a city block, was spurred on by Harvard astrophysicist Avi Loeb, a vocal proponent of the theory that 3I/Atlas could have an ...

MeerKAT and NASA's Swift detected OH signals from 3I/ATLAS, confirming it's outgassing water-related molecules.

A few days before its perihelion, the interstellar comet 3I/ATLAS emanated radio signals, captured by South Africa’s MeerKAT radio telescope on October 24, 2025. What exactly was the radio whisper by ...

Astronomers have detected radio emissions from a mysterious celestial object for the first time as it travels through our ...