Betelgeuse needs no introduction. Besides having its name borrowed by the ghost with the most, this 10-million-year-old red ...

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for ...

More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic ...

Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to ...

Astronomers have used a novel technique to find evidence of a secret "buddy" star orbiting Betelgeuse, one of the brightest ...

At the beginning of 2020, the astronomical world was on high alert when the massive star Betelgeuse, located in the constellation Orion, began to dim unexpectedly. Its sudden fading sparked widespread ...

The stellar companion may help explain why the brightness of Betelgeuse, the red supergiant, is open to so much variation.

For decades the reddish glow of Betelgeuse has puzzled astronomers, but researchers believe they have now found the reason ...

The findings confirm a long-standing theory first proposed in the early 1900s. More importantly, it sheds new light on how ...

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange ...

For over a hundred years, astronomers have puzzled over strange changes in the brightness and motion of Betelgeuse, the closest red supergiant to Earth. Located in the shoulder of Orion, this colossal ...

An image of Betelgeuse, the yellow-red star, and the signature of its close companion, the faint blue object.Data: ...