The astronomical community is abuzz over a newly discovered "interstellar object," only the third of its kind ever seen, ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

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

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

The solar system has an uninvited guest that is currently shooting toward us on a one-way trip through our cosmic ...

NASA confirms the arrival of 3I/ATLAS, the third interstellar object. The ATLAS project spotted it in June 2025. Its speed ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

It was only discovered last month (1 July) by the ATLAS survey telescope in Chile and NASA was quick to confirm that the ...

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

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.