Astronomers may have finally solved one of the weirdest mysteries of our night sky: why Betelgeuse, a massive star in the ...

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 ...

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

Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of ...

The bizarre dimming patterns of Betelgeuse, an enormous red supergiant star in the constellation Orion, have bewildered ...

Using new observations from NASA's Hubble Space Telescope and ground-based observatories, astronomers have tracked the ...

Betelgeuse is one of the weirdest stars in the sky, but astronomers can now explain one of its most enduring mysteries.

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, ...

Betelgeuse’s long-standing mystery has been cracked: a hidden companion star is literally reshaping the giant from the inside out.

For decades, astronomers have tracked changes in its brightness and surface features in hopes of figuring out why the star ...

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 ...