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 ...

Astronomers have captured the first close-up image of a star beyond our galaxy, taken during a dramatic moment near the end of the star’s life. In it, the “behemoth” star appears to puff out gas and ...

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, ...

Everybody's always worried about Betelgeuse in Orion blowing up as a supernova. There's a good chance that may happen one day, but no need to panic. The star's too far away to trouble earthlings with ...

"Icarus," located in a remote galaxy in Leo, is the most distant star yet seen. It lies more than halfway across the visible universe. NASA / ESA / P. Kelly, Univ. of Minnesota We've got a new ...

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 ...

“What we do know, is that one such supernova seen in the same galaxy in 1987 to every astronomer’s surprise was a blue supergiant that had exploded. The Hubble Space Telescope soon revealed it had ...

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