Current calculations estimate that the Betelbuddy has a mass of 1.17 times that of the Sun and orbits Betelgeuse at a distance 2.43 times the star’s radius, equivalent to roughly 1850 solar radii.

NASA's STEREO spacecraft -- with measurements shown in red -- stepped in to observe Betelgeuse from its unique vantage point, revealing unexpected dimming by the star. The 2018 data point from ...

Betelgeuse is extremely bright, especially considering that it’s roughly 650 light-years from Earth (though, it does have a ...

Monday will see a very rare night sky event when Betelgeuse—one of the most famous and brightest stars of all—is covered by an asteroid for about 12 seconds. Although the event will be visible ...

In late 2019 the red supergiant closest to Earth, Betelgeuse, began to rapidly fade in brightness. Initially thought to be a sign that the star was about to go supernova or that it experienced a dust ...

The story describes Betelgeuse as “the red giant that marks Orion’s left shoulder.” Reader Chris Jespersen wrote: “I often see Betelgeuse on Orion’s right shoulder…. Am I mistaken?” ...

New images created by the Hubble Space Telescope show that Betelgeuse — one of the brightest stars visible from Earth — wasn’t dimming because it was about to explode, but because there was ...

Betelgeuse star against starry sky artistic vision, elements of this image furnished by NASA. Inset Dr Devika Credit: Getty/Devika Betelgeuse is a Class M Red Supergiant star, and is approximately ...

Betelgeuse, the left “shoulder” of Orion, has always been a star of intrigue. Look at it long enough (and we mean generations-long), and you’ll notice its strange pattern: dimming and ...