The result is a rare before-and-after look at a dying star. The supernova, called SN 2025pht, came from a red supergiant, one ...

The brightest supernova ever may be pushing the boundaries of physics -- and that could be a huge help for astronomers. Share on Facebook (opens in a new window) Share on X (opens in a new window) ...

This supernova dominated our skies for weeks, a thousand years ago. It was brighter than Venus and visible during the day, and observers documented it in China, Japan, Europe and the Arab world. We ...

Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN have ...

Wa-hoo! One of the closest supernovas in years was discovered at a very early stage in the bright galaxy M101, the Pinwheel Galaxy, in Ursa Major. The galaxy can be found just above the Handle of the ...

"The speed at which this doomed stellar system is lurching wildly, likely due to the extreme brightness, is a frantic sign of ...