A chance change in plans helped the Hubble Space Telescope capture an uncommon event in November 2025: a comet breaking apart.

NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.

A last-minute target switch led researchers to Comet C/2025 K1 (ATLAS), which Hubble then watched split into at least four pieces.

When NASA's Hubble telescope missed its original target, scientists settled for a backup comet instead. What happened next ...

NASA’s Hubble Space Telescope had a lucky day last year, just happening to capture the rare breakup of a comet for the first time.

American space agency NASA said the Nancy Grace Roman Space Telescope survived three major assessments of its ability to ...

It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star.

A nearby galaxy is behaving strangely—and now scientists know why. The Small Magellanic Cloud’s stars move in chaotic ...

"Sometimes the best science happens by accident,” Co-investigator John Noonan, a research professor in the Department of Physics at Auburn University in Alabama, said in a statement.

A bizarre, ultra-light planet is cloaked in such a thick haze that even JWST can’t reveal its composition. Its unusual size and orbit are forcing scientists to rethink how planets form.

These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

C/2025 K1 (ATLAS) was on its way out of the solar system when it did the fateful thing that many comets do. Reading time 3 ...