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

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

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 ...

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

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

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

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 ...

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.

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

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...