Betelgeuse has always been something of a mystery. And by “mystery,” I mean a source of endless fun, fascination and frustration for astronomers. Betelgeuse is one of the brightest stars in the sky, ...

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 a companion star orbiting within the supergiant’s tenuous outer ...

For more than a century, Betelgeuse has looked like a star with a secret. It swells and fades on a six-year rhythm that never quite made sense. The star, about 650 light-years away in space, is old, ...

One of the brightest stars in the night sky is a doomed giant. Betelgeuse, the ruddy point of light marking a shoulder of the constellation Orion, is a massive star nearing the end of its life, and ...

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 wake ...

Betelgeuse, Betelgeuse, Betelgeuse: somewhat like summoning the homophonically named movie character, astronomers had hoped that repeated studies of this iconic red supergiant star would reveal its ...

High in the winter sky, marking the shoulder of the constellation Orion, sits a star nearing the end of its life in dramatic fashion. Its orange-red glow has fascinated skywatchers for centuries, but ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have used NASA's Hubble Space Telescope to find new clues that a companion star is to blame for Betelgeuse's strange ...