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

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

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

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

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

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

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

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

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

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

3I/ATLAS, also known as C/2025 N1, is a comet from interstellar space, meaning it originated in another star system and ...

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