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

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

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

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

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 ...

Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a nearby supernova -- a red supergiant star cloaked in thick, dust-rich shrouds that ...

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

Far beyond the Milky Way, in a nearby satellite galaxy, a giant star has been shifting in a way astronomers did not expect.

The James Webb Space Telescope spots evidence of a stellar explosion that could help solve the cosmic mystery of "missing red supergiants." ...