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

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

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

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

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

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

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

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 system by more than three billion years, researchers say. The "water ...

A mystery interstellar object discovered by a British astronomer is most likely the oldest comet ever seen. The "water ...

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.