The red supergiant Betelgeuse, a colossal star in the Orion constellation, experienced a massive stellar eruption — the likes of which have never been seen before, according to astronomers. Betelgeuse ...

Astronomers are still making new discoveries about the red supergiant star Betelgeuse, which experienced a mysterious "dimming" a few years ago. That dimming was eventually attributed to a cold spot ...

Over the last couple of years, Ars has dedicated a fair number of electrons to our local red supergiant, Betelgeuse. The massive star went through an odd uneven dimming, leaving the astronomy ...

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 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 ...