However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

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

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

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

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

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – and ...

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

British astronomers have discovered a mysterious object from space that is likely the oldest comet ever observed.This comet ...

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.

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.