Astronomers are revisiting long-standing assumptions about the iconic red supergiant Betelgeuse, one of the brightest stars in the night sky, as a new study suggests it might not be a single star but part of a binary system. This research proposes that Betelgeuse could be accompanied by a smaller, sunlike companion, which may help explain some of the puzzling behaviors observed in the star, such as its periodic dimming and brightening. If confirmed, this discovery would have profound implications for how we understand massive stars nearing the end of their life cycle. A Companion Star Behind B…