Astronomers have spotted signs that Betelgeuse, the closest supergiant star to Earth, could be about to explode as a ...

But it's not going to hurt us. Betelgeuse is the shoulder of Orion, a red giant sitting about 500 light years away. It's huge, weighing somewhere between 15 and 20 solar masses, but is so extended ...

Betelgeuse, which shines in Orion as part of the Winter Triangle, is a huge, short-lived star that is thought to soon end its life as a supernova explosion. It is unclear whether that will happen ...

Caption This illustration plots changes in brightness of the red supergiant star Betelgeuse, following the titanic mass ejection of a large piece of its visible surface. The escaping material ...