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 ...

Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found evidence of a star about the same mass as the sun, orbiting ...

One of the biggest and brightest stars in the night sky will momentarily vanish as an asteroid passes in front of it to produce a one-of-a-kind eclipse. The event should be visible to millions of ...

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 ...

Orion and the molecular cloud covering the region. Betelgeuse is the red star in the upper left. Credit : Rogelio Bernal Andreo When a prominent star in the night sky suddenly dims, it generates a lot ...

On July 21, 2025, NSF NOIRLab issued a press release stating that astronomers had detected a long-anticipated companion star to the red supergiant Betelgeuse. The team of astrophysicists, led by Steve ...

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 ...

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 ...