One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't ...

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 ...

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

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

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

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

The James Webb Space Telescope has only been researching for three and a half years, but it has already imaged a giant star ...

Discover how the giant star WOH G64, one of the largest known, transformed in 2014 and might be heading for a supernova.

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

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

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

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...