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

A recently discovered interstellar object, 3I/ATLAS, could potentially be the oldest comet ever observed, predating our solar ...

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

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

Interstellar Comet 3I/ATLAS was the third visitor from outside our system, and its origins were being studied using an interstellar visitor model.