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 ...

You're not prepared for its size. The post Evidence Grows That One of the Largest Known Stars Is Poised to Explode in a ...

Far beyond the Milky Way, in a nearby satellite galaxy, a giant star has been shifting in a way astronomers did not expect.

An international team of astronomers has carried out photometric and spectroscopic observations of SN 2024abvb—a recently ...

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

One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.

Astronomers have witnessed one of our universe’s biggest stars transforming into a rare stellar body, and the dramatic ...

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

The star, WOH G64, lies inside the Large Magellanic Cloud, about 163,000 light-years from Earth. It is enormous, roughly ...

Massive stars, reaching the end of their lives, turn into red supergiants and explode as supernovae, the brightness of which ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

The astronomical community has spent two decades wondering why the Crab Pulsar, the stellar remnant born from a supernova that Chinese and Japanese astronomers documented in the year 1054, emits radio ...