Betelgeuse is one of the night sky's brightest stars and easily can be observed from Earth with the naked eye. Its fluctuations in brightness have long puzzled astronomers, however. Now, researchers ...

Could the giant star Betelgeuse have a buddy? A Betelbuddy? Betelgeuse, the second-brightest star in the constellation Orion, is a giant star whose strange dimming has sparked debate over when it will ...

But Betelgeuse’s LSP stood out. Astrometric and velocity data together showed a pattern best explained by a small companion star orbiting Betelgeuse just over twice its radius away. Though it was ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Go outside tonight when it gets dark and look to the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The tempestuous star in Orion’s shoulder has a buddy, and neither of their futures look bright. By Robin George Andrews Betelgeuse, a colossal tangerine-red star, is barreling toward annihilation. The ...

Scientists have long speculated that Betelgeuse, one of the brightest stars in the night sky, is not alone. Now, thanks to the powerful Gemini North Telescope in Hawaii, astronomers suggest they’ve ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Humans have gazed up at Betelgeuse for thousands of years. As one ...

Despite its youth—just ten million years old— Betelgeuse is already nearing the end of its life. Its surface constantly boils with giant convective cells, and it swells and shrinks every 400 days, ...