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

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

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

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

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

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

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

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

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

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