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

Astronomers from the University of Hawaiʻi Institute for Astronomy (IfA) have uncovered the turbulent past of a distant red ...

The story of a red giant star and a nearby black hole is less a tidy cosmic romance than a forensic case file, pieced ...

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

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

A distant exoplanet that shouldn't be there anymore has continued to mystify astronomers with its existence after new evidence disproved a leading theory for its survival. The planet, named 8 Ursae ...

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

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 ...

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

Innumerable stars reside within 1.6 light-years of the Milky Way’s central black hole. But this same crowded neighborhood has fewer red giants — luminous stars that are large and cool — than expected.