As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called ...

Interstellar comet 3I/ATLAS has become a Rorschach test for how we think about alien life, with psychic entertainer Uri ...

Is 3I/ATLAS a comet or an alien ship? Harvard's Avi Loeb warns of a 'serial killer' visitor as the interstellar object makes its closest approach to Earth.

Interstellar object 3I/ATLAS defies comet norms with steady mass loss and precise dust jets, racing towards Jupiter.

In the vast, silent theatre of the cosmos, a rare visitor is preparing for its final bow before departing our solar system forever. The interstellar object known as 3I/ATLAS — the third confirmed ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

The 3I/ATLASs object is unusual because it came to the Solar System from "interstellar space." 3I/ATLAS is an interstellar object, possibly experiencing cryovolcanism, resembling trans-Neptunian ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...