NASA’s James Webb Space Telescope captured the first published detection of a supernova progenitor in galaxy NGC 1637, revealing a red supergiant star before explosion.

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

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

Cosmology is puzzled as to why two methods for measuring the expansion of the cosmos yield different results. A third method ...

The light from the explosion did not reach Earth till June 29, 2025, when the All-Sky Automated Survey for Supernovae ...

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

Astronomers say they've captured the clearest look yet of a star on the brink of supernova. An international team used NASA’s James Webb Space Telescope to backtrack and find the original star that ...

Some of the most spectacular images ever captured by the Hubble Space Telescope reveal the violent remains of exploding stars. These supernova remnants include glowing clouds of gas, rapidly expanding ...

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

A burst of light in the deep sky is doing something it should not be able to do. It looks like one supernova, but it shows up ...

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 ...