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 ...

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 ...

"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 ...

Blue supergiants are rock-and-roll: they live fast and die young. This makes them rare and difficult to study. Before space telescopes were invented, few blue supergiants had been observed, so our ...