Some of the brightest and hottest stars in existence may be formed by the collision of two other stars, astronomers have found. The formation of these intensely bright stars, called blue supergiants, ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of a yellow star and a blue star circling close to each other. Astronomers may have solved the mystery of how some of ...

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 ...

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 ...

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 ...

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 ...

"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 ...