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

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 ...

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

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

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

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

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

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

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

The comet 3I/ATLAS is the third confirmed interstellar object and is likely 3 billion years older than our own solar system.