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

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

Astronomers are exploring a new way to measure the universe’s expansion rate using the gravitational-wave background detected ...

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.

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

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

Forty million years ago, a star in a nearby galaxy exploded, spewing material across space and generating a brilliant beacon of light. That light traveled across the cosmos, reaching Earth June 29, ...

Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have for the first time identified the progenitor of a nearby supernova -- a red supergiant star cloaked in thick, dust-rich shrouds that ...

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 ...

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.