NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.

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 ...

Subtle variations in the star’s brightness suggest it once collided and merged with another star, an explosive event that ...

Red giant star in Gaia BH2 shows starquakes revealing its hidden history. Study challenges assumptions about chemical age and ...

Could the giant star Betelgeuse have a buddy? A Betelbuddy? Betelgeuse, the second-brightest star in the constellation Orion, is a giant star whose strange dimming has sparked debate over when it will ...

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

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 ...

A nearby binary star system is bereft of giant planets, but scientists think it may still be a decent place to look for life.