Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have observed a faint blue star near the red supergiant star Betelgeuse ...

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 ...

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, ...

After more than three decades of trailblazing discoveries, NASA’s Hubble Space Telescope has done it again. Combining fresh Hubble observations with data from ground-based observatories, astronomers ...

The companion star of Betelgeuse, seen for the first time by the Gemini North Telescope. "This discovery answers the millennia-old question of why this famous star experiences a roughly six-year-long ...

Astronomers use the Gemini North telescope in Hawaii to capture an image of a companion star orbiting Betelgeuse. Credit: International Gemini Observatory / NOIRLab / NSF / AURA / J. Chu Red ...

Using the Gemini North Telescope's speckle imager, 'Alopeke, astronomers directly imaged a previously hypothesized companion star to Betelgeuse, located approximately 4 AU from the red supergiant. The ...

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 ...