A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

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

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

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

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

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

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

A mystery interstellar object discovered by a British astronomer is most likely the oldest comet ever seen. The "water ice-rich" visitor, which has been given the name 3I/ATLAS, is the first object to ...

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