Betelgeuse, one of the largest stars ever discovered, is reaching the end of its life. In the coming centuries or perhaps even right now it could explode into a supernova visible even during the day.

(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. One of the ...

After a long wait, astronomers have finally seen the stellar companion of the famous star Betelgeuse. This companion star orbits Betelgeuse in an incredibly tight orbit, which could explain one of ...