Astronomers use the Gemini North telescope in Hawaii to capture an image of a companion star orbiting Betelgeuse. - International Gemini Observatory / NOIRLab / NSF / AURA / J. Chu Red supergiant star ...

Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the best ...

At least one mystery surrounding the red giant Betelgeuse can now be put to bed. Astronomers have finally laid eyes on a small, dim binary companion whipping around the massive sun. The observations ...

But this orbital dance has a darker future. Over time, tidal forces continue to drain energy from Siwarha’s orbit, pulling it closer to the red supergiant. Eventually, the smaller star will spiral ...

On a clear night in December, astronomers at the Gemini North telescope in Hawai‘i turned their focus to Betelgeuse, a bright red star in Orion that has dazzled both astronomers and the public for ...

There are several candidates for the biggest star in the universe. One of them, VY Canis Majoris, is over 1,500 times the ...