In other words, Betelgeuse is actually two stars. This hypothesized, unknown star—excellently nicknamed Betelbuddy—is likely ...

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?” ...

so could Betelgeuse, but on a different scale. NASA’s Hubble Space Telescope appeared to confirm that a “burp” from within Betelguse produced a mass ejection of material that became a dust ...

A team led by astrophysicist Jing-Ze Ma of the Max Planck Institute for Astrophysics in Germany has found that Betelgeuse's ...

This figure shows measurements of Betelgeuse's brightness from different observatories from late 2018 to present. The blue and green points represent data from ground-based observatories.

Bright and well-placed in December, NGC 2264 is roughly between the bright reddish star Betelgeuse in Orion and ... while others are much larger. The mass of these stars ranges from one-tenth ...