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

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

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

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In Connections, each category has a different difficulty level. Yellow is the simplest, and purple is the most difficult.

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

But all of that extra attention has led to another remarkable find. As it turns out, Betegeuse isn’t alone—it actually has a ...

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

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The rock world still mourns the death of Ozzy Osbourne, the eternal "Prince of Darkness", who passed away last July 22 at the ...

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 ...