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 ...

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 ...

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

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

On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, spotted a new object just inside the orbit of Jupiter. ATLAS scans the sky every ...

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

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

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

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

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