A groundbreaking study led by astronomers from the Chalmers University of Technology has unveiled an extraordinary phenomenon ...

Astronomers have discovered a vast and expanding bubble of gas and dust surrounding a red supergiant star—the largest structure of its kind ever seen in the Milky Way. The bubble, which contains as ...

DFK 52, a red supergiant, expelled a huge gas shell 4,000 years ago. ALMA revealed the outburst, which current stellar models ...

Astronomers discover a rare “jellyfish” galaxy with the Webb telescope, whose bright trail reveals how stars are born when ...

Stars are more colorful than you think! Patience will reveal them; head outside tonight to see summer’s multi-hued stars.

And the mystery of the star’s periodic spikes in brightness now has an answer. The companion orbits Betelgeuse once every five to six years, sweeping through the red supergiant’s outer atmosphere.