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 ...

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 ...

After a long wait, astronomers have finally seen the stellar companion of the famous star Betelgeuse. This companion star orbits Betelgeuse in an incredibly tight orbit, which could explain one of ...

The explosion of Betelgeuse will be a once-in-human-history event. This video details exactly what we'll see from Earth when the supernova occurs: a new point of light as bright as the full moon, ...