Add Yahoo as a preferred source to see more of our stories on Google. A red supergiant star has expelled the largest cloud of gas and dust ever seen in the process of being blown off one of these ...

Astronomers have discovered a vast and expanding bubble of gas and dust surrounding a red supergiant star—the largest structure of its kind ever seen in the Milky Way. The bubble, which contains as ...

Astronomers studying WOH G64, one of the largest known stars beyond the Milky Way, have confirmed it still burns as a red supergiant despite dramatic fading, weakened pulsations, and spectral shifts ...