New studies reveal how metallicity and stellar evolution determine whether massive stars expand into red supergiants prior to ...

BERKELEY – Twenty years ago next month, the closest and brightest supernova in four centuries lit up the southern sky, wowing astronomers and the public alike. A Luminous Blue Variable star named ...

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 ...

"The newly born stars live as blue supergiants throughout the second-longest phase of a star's life, when it burns helium in its core." When you purchase through links on our site, we may earn an ...

Artistic image of a binary system of a red giant star and a younger companion that can merge to produce a blue supergiant. B-type blue supergiants are very luminous and hot stars (at least 10,000 ...