Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

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.

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On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...

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A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists, BBC reports. Named 3I/Atlas, it may be three billion years older than our ...

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

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

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

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