PRIMETIMER on MSN
Why do some massive stars become red supergiants before a supernova? New research offers clues
New studies reveal how metallicity and stellar evolution determine whether massive stars expand into red supergiants prior to ...
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 ...
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 ...
Discover how the giant star WOH G64, one of the largest known, transformed in 2014 and might be heading for a supernova.
An international team of astronomers has carried out photometric and spectroscopic observations of SN 2024abvb—a recently ...
An extraordinarily rare, gravitationally lensed supernova may offer a powerful new way to measure the universe’s expansion rate.
A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...
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.
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