Halloween is upon us and the 2025 spooky season is abuzz with talk of three cosmic visitors — Comet Lemmon, Comet SWAN and ...

Harvard professor Avi Loeb has suggested that interstellar comet 3I/ATLAS may not be entirely natural after it showed non-gravitational acceleration while nearing the Sun. NASA’s data revealed the ...

Harvard astrophysicist Avi Loeb is fiercely demanding that NASA release high-resolution images of the interstellar object 3I/ATLAS.

Astronomers have identified Comet 3I/ATLAS as an interstellar object, making it only the third confirmed visitor from outside our solar system, according to NASA.<br /><br />The comet is travelling on ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...

Avi Loeb's controversial theories on 3I/ATLAS and its extraterrestrial implications face major scrutiny from top astronomers, ...

I/ATLAS has just made a strange move around the sun that could prove it has an engine powering its flight through the solar ...

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...