Two studies suggest Betelgeuse has a smaller, unseen companion star. This companion's gravity might explain Betelgeuse's longest brightness cycle. The companion's presence could also explain ...

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 ...

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's companion star is 1.5 times larger than the sun. But all of that extra attention has led to another remarkable find. As it turns out, Betegeuse isn’t alone—it actually has a nearby ...

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 ...

Hidden cozied up to Betelgeuse, a bright red star in the constellation Orion, astronomers may have finally found the giant star’s long-sought companion. This close-orbiting partner, first postulated ...

Astronomers at last confirmed the existence of a companion star orbiting Betelgeuse. Credit: International Gemini Observatory/NOIRLab/NSF/AURA/M. Zamani (NSF NOIRLab ...

"Papers that predicted Betelgeuse's companion believed that no one would likely ever be able to image it." After a long wait, astronomers have finally seen the stellar companion of the famous star ...

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

The giant's glare may mask a companion star hiding in plain sight, researchers suggest. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Could the ...