Astronomers have identified a massive red giant star with a newly detected companion that appears to be stirring up trouble ...

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding ...

Astronomers discovered a close companion star orbiting red giant π¹ Gruis, challenging stellar evolution models and revealing ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

The discovery throws light on how giant or dying stars behave with their surroundings and other objects around them.

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's visualization of some of the spots on red giant XX Trianguli. | Credit: Viktor Varga ...

The cosmic distance ladder could soon have another rung. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In around 5 billion years, the sun will ...

Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. New examinations of this behemoth star suggest it is both smaller — and closer — than astronomers believed.

Using observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have identified an unprecedented collection of pulsating red giant stars all across the sky. These stars, whose ...

When Earth’s sun expands into a red giant star in roughly five billion years, long after Earth has become uninhabitable, the hydrogen core will be burned out and the bloated outer shell will be cool ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...