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 ...

You're not prepared for its size. The post Evidence Grows That One of the Largest Known Stars Is Poised to Explode in a ...

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

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

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

An international team of astronomers has carried out photometric and spectroscopic observations of SN 2024abvb—a recently ...

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

A Northwestern University-led team of astronomers used NASA’s James Webb Space Telescope to discover a former star that ...

James Webb Space Telescope (JWST) have identified the progenitor star of supernova 2025pht, a stellar explosion that occurred 40 million years ago in the galaxy NGC 1637. This discovery, detailed in a ...

Astronomers have witnessed one of our universe’s biggest stars transforming into a rare stellar body, and the dramatic ...

An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.

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