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 ...

Directed energy weapons’ are a cheap way to hit a lot of targets – and militaries around the world are taking notice.

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