Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

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, ...

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

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

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 ...

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.

Scientists have been studying an interstellar object that's currently moving through our solar system which was first spotted on 1 July. It has been called 3I/ATLAS because of what spotted it, and ...

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

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 ...