However, the most massive star observed to date is the blue supergiant R136a1, which contains at least 265 times as much matter as the sun. The highest mass stars, greater than three times the sun ...

"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." Astronomers may have solved the mystery of how some of the ...

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 ...

NASA artistic image of a binary system of a red giant star and a younger companion. Blue supergiants may be formed by two stars in a binary system merging. NASA artistic image of a binary system ...