A rare visitor from another star system has been spotted: the interstellar comet 3I/ATLAS! It was detected July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System, or ATLAS. Most known ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

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 ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

The object seems to be travelling on a steep path - suggesting it came from the Milky Way's "thick disk", an area of ancient ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

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 ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...