“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 ...

This massive star is currently a red supergiant, and the fact that it appeared to be dimming hinted at a number of possible outcomes, including a possible collapse and supernova explosion.

One of the largest stars in the known universe is undergoing a strangely rapid transformation and may soon explode as a supernova ... is one of the biggest red supergiants, the largest stars ...

When Betelgeuse, a red supergiant star in the constellation Orion, eventually goes supernova—likely within the next 100,000 years—the night sky will light up as if a second sun appeared ...