Did Betelgeuse Go Supernova 2024.  — keep an eye on the sky for the second half of 2024 and you might be able to witness a rare astronomical event.  — astronomers believe the star is now fusing helium into carbon and oxygen, a phase in a star's life that lasts tens to hundreds of thousands of years and precedes the star's demise in a supernova.

 — in their paper, the authors say that betelgeuse could be the milky way’s next supernova, regardless of which of their outcomes might prove to be true. As it does, it could shine as bright as a full moon for a few months.