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

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 ...

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

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

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 ...

British astronomers have discovered a mysterious object from space that is likely the oldest comet ever observed.This comet ...

Astronomers and space agencies continue to track the interstellar comet 3I/ATLAS streaking through solar system at blistering ...

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