A recent preprint study has shed new light on Betelgeuse, the famous red giant in the constellation Orion. Astronomers have long observed Betelgeuse's fluctuations in brightness, but new interpretations of these patterns suggest that the star is currently in the carbon-burning phase of its evolution. This stage indicates that Betelgeuse is nearing the end of its life cycle, … [Read more...] about Betelgeuse’s Pulsations Suggest Its Explosion Is Not Far Off