Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for one of the star’s enduring mysteries.

Betelgeuse, one of the brightest stars in the night sky, may not be alone. And its potential companion may be responsible for one of the star’s enduring mysteries.

(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.

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By Ashley Strickland, CNN (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 ...

The Chicago Sky have had their fair share of players that have gone on to become All-Stars in almost every season.

One of the best known and most luminous stars in the night sky, Betelgeuse has long intrigued anyone who has gazed up and seen its reddish tint, which is visible to the naked eye.

Sky This Week is brought to you in part by Celestron. Friday, July 18 Mars remains close to Sigma (σ) Leonis, Leo the Lion’s back foot, in the evening sky for several days.