Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner rather than later. That's because it's a ...

Betelgeuse is one of the night sky's brightest stars and easily can be observed from Earth with the naked eye. Its fluctuations in brightness have long puzzled astronomers, however. Now, researchers ...

Astronomers have confirmed the existence of a companion star in a tight orbit around Betelgeuse, resolving a long-standing mystery about the star’s varying brightness. Reading time 2 minutes In 2024, ...

(CNN) — 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 ...

The 2019–2020 Great Dimming, for example, was caused not by a supernova, but by a dust cloud ejected from Betelgeuse, temporarily blocking its light. More than a century of observations of Betelgeuse ...

The bizarre dimming patterns of Betelgeuse, an enormous red supergiant star in the constellation Orion, have bewildered astronomers for decades. Now, researchers are closer than ever to proving that a ...

Andrea Dupree presented findings titled “Discovery of the Wake Caused by Siwarha — the Betelgeuse Companion” at the 247th American Astronomical Society meeting in January. While previously believed to ...

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

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 ...