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 ...

The two objects make for a strange pair. Unlike Betelgeuse, which is approaching the end of its life, the blue-white ...

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 ...

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 ...

On July 21, 2025, NSF NOIRLab issued a press release stating that astronomers had detected a long-anticipated companion star ...

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 ...