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

I/ATLAS, the rare comet currently making headlines as it travels through our solar system, made its closest approach to Mars ...

Interstellar comet 3I/Atlas is nearing the sun, sparking debate due to Harvard professor Avi Loeb's theory that it could be ...

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 ...

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

JUICE might be bound to Jupiter, but it is fortuitously in place to peek at this object from beyond the stars.

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.

Astronomer Avi Loeb outlines nine "anomalies" that he says support his hypothesis that interstellar object 3I/ATLAS is an ...

According to the study, interstellar object 3I/ATLAS showcased its first sign of a non-gravitational acceleration at ...

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

The interstellar comet 3I/ATLAS has just made its closest pass to the Sun, and it's brighter than scientists expected.