Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also long been a topic of intrigue for astronomers.

For years, we looked at Betelgeuse waiting for the end. When the "Great Dimming" happened in 2019, the world held its breath, ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have uncovered direct evidence that the red supergiant ...

Betelgeuse is one of the weirdest stars in the sky, but astronomers can now explain one of its most enduring mysteries. A small companion star has been confirmed, revealed by the wake it leaves as it ...

NASA’s Hubble data shows a wake of dense gas around Betelgeuse, offering the clearest proof yet of a long-suspected companion star.

Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

A hidden companion star confirmed around Betelgeuse Gas wake detected using Hubble Telescope data Discovery explains Betelgeuse’s strange brightness shifts ...

At the 247th meeting of the American Astronomical Society, this one held in Phoenix on January 4-8, Andrea Dupree of the Center for Astrophysics|Harvard & Smithsonian presented a talk entitled, ...

The bizarre dimming patterns of Betelgeuse, an enormous red supergiant star in the constellation Orion, have bewildered astronomers for decades. Now, researchers are closer than ever to proving that a ...

Researchers found evidence that a companion star may be influencing Betelgeuse, explaining why the star’s brightness changes over time.

Space scientists have solved the mystery of why one of the brightest stars in the sky acts strangely. Red supergiant ...