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 ...

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 ...

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

A deep-space photo of the Jellyfish Nebula in Gemini shows a brain-like structure, capturing the supernova remnant IC 443 and surrounding interstellar gas and stars.

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

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

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

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

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.

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

Researchers used James Webb Telescope images to identify the star, which went supernova 40 million years ago ...

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, likely collapsing into a black hole without exploding as a supernova ...