Betelgeuse, the ruddy shoulder star of Orion and one of the most watched stars in the sky, is not alone. Astronomers have ...

One of the most familiar stars in the night sky is also one of the most volatile, and astronomers say it is living on ...

Betelgeuse has always been something of a mystery. And by “mystery,” I mean a source of endless fun, fascination and ...

Betelgeuse, a red supergiant 548 light years away and nearly 1,000 times larger than our Sun, is nearing the end of its life, poised for an eventual supernova.

Astronomers have found the strongest evidence yet that Betelgeuse has a hidden companion star, potentially solving the red supergiant's century-old brightness mystery.

Add Yahoo as a preferred source to see more of our stories on Google. This artist's concept shows the red supergiant star Betelgeuse and an orbiting companion star creating a wake in the larger object ...

The newly detected star appears much larger than expected and could influence Betelgeuse's eventual supernova explosion.

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 ...

Betelgeuse, the inset image in the middle, is located in the constellation Orion, on the right. New images hint at a small companion star, shown in the inset image on the left, orbiting the supergiant ...

*Video shows images of faraway galaxies. (NewsNation) — Astronomers have discovered the strongest evidence yet that famous star Betelgeuse has a companion. Using the Very Large Telescope in Chile, ...