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.

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

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

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 ...

NASA has detected a precursor or progenitor to a supernova for the first time – and it's all thanks to old photos. Researchers have now been able to study some of a supernova's progression by ...

The powerful gravity of a galaxy embedded in a massive cluster of galaxies in this Hubble Space Telescope photo is producing multiple images of a single distant supernova far behind it. Both the ...

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

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...

DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.

Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.