I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and entered our solar system on a one-time flyby. It was first spotted by the ATLAS ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

C/2024 G3 (ATLAS) comet hurtles through cosmos over Tasmania in extremely rare sight A comet believed to be in its death throes could briefly be seen over Tasmania this week as it hurtled through ...

C/2024 G3 (ATLAS) is one of the few comets on record that became bright enough to be visible in the daytime without optical aid like binoculars or a telescope.

"There is little question that, with its daylight display and spectacular evening apparition in a moonless sky, Comet 2024 G3 will long be remembered as the Great Comet of 2025, the first of its ...

It's called Comet C/2024 G3 (ATLAS) and for the past few nights it has been putting on a show for Australian star-gazers.

New photos of comet C/2024 G3 (ATLAS) suggest that it could be disintegrating due to "thermal stress" from its recent slingshot around the sun. However, its fate is still unclear.