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 tracked the influence ...

A multi-observatory study led by the Center for Astrophysics | Harvard & Smithsonian has characterized the impact of a newly ...

The gas around the red giant star Betelgeuse revealed the effects of a newly found companion star, Siwarha, likely circling ...

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

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

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

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

It will be a spectacular event, but calculating when it will happen is a tricky business. Every now and then, in recent observations, Betelgeuse has grown dimmer or brightened, prompting speculation ...

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

A new study led by Harvard & Smithsonian’s Center for Astrophysics has uncovered direct evidence of a long-suspected ...

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