However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

Aster G. Taylor is a Ph.D. candidate in Astronomy and Astrophysics at the University of Michigan, Ann Arbor and a 2023 Fannie ...

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

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

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

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

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

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

Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

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

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