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, ...

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

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

Interstellar comet 3I/ATLAS completes its near-miss with Earth, revealing bizarre chemistry and highlighting the growing ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward 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 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 ...

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.

As we end 2025, it's time to think about the most amazing 'blind date' in history: meeting the interstellar interloper ...

This week the eyes and telescopes of the world will be watching to learn everything we can,' says an astronomer.