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

Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar ...

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

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

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

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

Comet 3I/Atlas may be the oldest spotted so far and should be visible through amateur telescopes in just a few weeks' time.

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...