A hidden companion star of Betelgeuse, long suspected by Hungarian astronomers, has finally been observed directly, ...

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

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

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 brightness changes.

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

Astronomers have used the NASA and U.S. National Science Foundation-funded “Alopeke instrument on Gemini North,” one half of ...

An international team of astrophysicists, led by Northwestern University and the University of Leicester in England, has ...

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

For centuries, Betelgeuse — one of the brightest stars and the closest red supergiant to Earth — appeared to shine alone in the night sky, but an elusive stellar partner hiding in plain sight has ...

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...