One of the largest known stars in the cosmos is poised for catastrophe. After witnessing the massive object undergo a ...

New studies reveal how metallicity and stellar evolution determine whether massive stars expand into red supergiants prior to ...

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that ...

NASA has detected a precursor or progenitor to a supernova for the first time – and it's all thanks to old photos.

The star, WOH G64, lies inside the Large Magellanic Cloud, about 163,000 light-years from Earth. It is enormous, roughly ...

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be ...

For the first time, we have a front-row seat to one of the most violent events in the universe: a supernova. But there’s a ...

Astronomers used Webb to find the star behind supernova 2025pht, revealing how thick dust can hide massive red supergiants.

NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, ...