What makes the star remarkable is its location. Siwarha appears to orbit so close that it never leaves Betelgeuse’s ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s atmosphere. Signs of the smaller star’s trail around the red supergiant are the best ...

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

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

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

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

Astronomers and scientists love Betelgeuse because it shines so brightly. While most stars appear as tiny points of light, ...

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

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

Learn how Betelgeuse's atmosphere has been altered by its companion star, which has left behind a trail of expanding gas.

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, ...