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 ...

Ignoring interference from the occasional dusty sneeze, Betelgeuse's light seems to vary according to two distinct cycles.

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

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

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

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 ...

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.

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

In the vast expanse of the night sky, Betelgeuse has long captivated astronomers and stargazers alike with its unique characteristics. Recent research has unveiled a ...