One day, Betelgeuse will explode and the night sky will never look the same. This video reveals what we’ll witness when that ...

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 ...

The red supergiant Betelgeuse likely has a companion star, astronomers have confirmed. Long theorized to share an orbit with Betelgeuse — an extremely bright star that may go supernova in the next few ...

(CNN) — Astronomers have long searched for clues that a hidden companion star sits out of view near the red supergiant star Betelgeuse. Now, they’ve uncovered a new piece of evidence: a trail like the ...

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 ...