The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...

After finally confirming the tiny companion star orbiting Betelgeuse, Howell and the team gave it a name with roots as rich as the sky itself: ‘Siwarha’, which means “her bracelet” in Arabic. It ...

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 ...

A team of international astronomers led by Konstantina Anastasopolou has investigated a supergiant star named Wd1-9.

An international team of astronomers has employed NASA's Chandra X-ray observatory to perform the most detailed study of a ...

Heads up, stargazers! The waxing gibbous moon will shine close to the red star Antares after sunset on Sunday (Aug. 3).

Astronomers directly imaged a faint companion star orbiting Betelgeuse, solving a decades-old mystery about its strange brightness changes.

Betelgeuse - the red supergiant star in the constellation of Orion, has a companion or binary twin, astronomers have ...