New evidence suggests that the famous interstellar traveler may be so old that its home system no longer exists.

A new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing ...

In the vast expanse of the cosmos, where time stretches across unimaginable scales, some objects stand out as cosmic time capsules. One such object is the interstellar comet3I/ATLAS, a mysterious ...

No, it's not a Barbie-themed moon.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Between April 13-23, there are no fewer than six planetary conjunctions (alignments) to take in. Mercury is at its best for ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...

CAPE CANAVERAL, Fla. (AP) — A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as ...

A flying piece of cosmic rock or an alien threat? Comet 3I/ATLAS is hurtling through our solar system and captivating scientists and internet users alike, even prompting Kim Kardashian to ask NASA for ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

Find Milky Way Galaxy Latest News, Videos & Pictures on Milky Way Galaxy and see latest updates, news, information from ...

Catching a comet in the process of falling apart is difficult, but a coincidence let astronomers see one in more detail than ...